- Author:
- Hanne <Hanne@hanne-nielsens-macbook.local>
- Date:
- 2010-08-12 10:28:57+12:00
- Desc:
- Made ai and svg, added xul and clickable session file
- Permanent Source URI:
- https://models.physiomeproject.org/workspace/terkildsen_niederer_crampin_hunter_smith_2008/rawfile/cebc92eb074b5acf345f88c53ca883169675bca3/terkildsen_niederer_crampin_hunter_smith_2008.cellml
<?xml version="1.0"?>
<model xmlns="http://www.cellml.org/cellml/1.0#" xmlns:cmeta="http://www.cellml.org/metadata/1.0#" cmeta:id="terkildsen_2008" name="terkildsen_2008">
<documentation xmlns="http://cellml.org/tmp-documentation">
<article>
<articleinfo>
<title>Using Physiome standards to couple cellular functions for rat cardiac excitation-contraction</title>
<author>
<firstname>Catherine</firstname>
<surname>Lloyd</surname>
<affiliation>
<shortaffil>Bioengineering Institute, University of Auckland</shortaffil>
</affiliation>
</author>
</articleinfo>
<section id="sec_status">
<title>Model Status</title>
<para>
Since this is the exact same model encoding which was used to create the results presented in the paper, this CellML model is known to accurately represent the published article.
</para>
</section>
<sect1 id="sec_structure">
<title>Model Structure</title>
<para>
ABSTRACT: Scientific endeavour is reliant upon the extension and reuse of previous knowledge. The formalization of this process for computational modelling is facilitated by the use of accepted standards with which to describe and simulate models, ensuring consistency between the models and thus reducing the development and propagation of errors. CellML 1.1, an XML-based programming language, has been designed as a modelling standard which, by virtue of its import and grouping functions, facilitates model combination and reuse. Using CellML 1.1, we demonstrate the process of formalized model reuse by combining three separate models of rat cardiomyocyte function (an electrophysiology model, a model of cellular calcium dynamics and a mechanics model) which together make up the Pandit-Hinch-Niederer et al. cell model. Not only is this integrative model of rat electromechanics a useful tool for cardiac modelling but it is also an ideal framework with which to demonstrate both the power of model reuse and the challenges associated with this process. We highlight and classify a number of these issues associated with combining models and provide some suggested solutions.
</para>
<para>
Using Physiome standards to couple cellular functions for rat cardiac excitation-contraction, Jonna R. Terkildsen, Steven Niederer, Edmund J. Crampin, Peter Hunter and Nicolas P. Smith, 2008, <emphasis>Experimental Physiology</emphasis>, 93, 919-929. <ulink url="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=pubmed&cmd=Retrieve&dopt=AbstractPlus&list_uids=18344258&query_hl=1&itool=pubmed_docsum">PubMed ID: 18344258</ulink>
</para>
<informalfigure float="0" id="diagram">
<mediaobject>
<imageobject>
<objectinfo>
<title>cell diagram</title>
</objectinfo>
<imagedata fileref="terkildsen_2008.png"/>
</imageobject>
</mediaobject>
<caption>A schematic diagram of the CellML model.</caption>
</informalfigure>
<para>
A CellML 1.1 version of this model is also available, which imports components from the Pandit et al. 2001, Hinch et al. 2004 and Niederer et al. 2006 models into a parent model.
</para>
</sect1>
</article>
</documentation>
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<minus/>
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<minus/>
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<minus/>
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<times/>
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<minus/>
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<divide/>
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<plus/>
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<apply>
<times/>
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<apply>
<plus/>
<ci>V</ci>
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<apply>
<times/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">98.9</cn>
<apply>
<exp/>
<apply>
<times/>
<apply>
<minus/>
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<apply>
<plus/>
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<apply>
<eq/>
<apply>
<diff/>
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<apply>
<divide/>
<apply>
<minus/>
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<ci>r</ci>
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<ci>tau_r</ci>
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<variable name="tau_s_endo" units="ms"/>
<variable name="s_infinity" units="dimensionless"/>
<variable name="V" public_interface="in" units="mV"/>
<variable name="time" public_interface="in" units="ms"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
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<eq/>
<ci>s_infinity</ci>
<apply>
<divide/>
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<apply>
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<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="mV">6.8841</cn>
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<apply>
<eq/>
<ci>tau_s_endo</ci>
<apply>
<plus/>
<apply>
<times/>
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<exp/>
<apply>
<minus/>
<apply>
<power/>
<apply>
<divide/>
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<plus/>
<ci>V</ci>
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<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="mV">25</cn>
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<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
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</apply>
</apply>
</apply>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="ms">49</cn>
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<eq/>
<apply>
<diff/>
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<divide/>
<apply>
<minus/>
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<ci>s</ci>
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<ci>tau_s_endo</ci>
</apply>
</apply>
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<variable name="tau_s_slow_endo" units="ms"/>
<variable name="s_slow_infinity" units="dimensionless"/>
<variable name="V" public_interface="in" units="mV"/>
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<math xmlns="http://www.w3.org/1998/Math/MathML">
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<eq/>
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<divide/>
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<divide/>
<apply>
<plus/>
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<apply>
<eq/>
<ci>tau_s_slow_endo</ci>
<apply>
<plus/>
<apply>
<times/>
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<exp/>
<apply>
<minus/>
<apply>
<power/>
<apply>
<divide/>
<apply>
<plus/>
<ci>V</ci>
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<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="ms">49</cn>
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<eq/>
<apply>
<diff/>
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<ci>s_slow</ci>
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<divide/>
<apply>
<minus/>
<ci>s_slow_infinity</ci>
<ci>s_slow</ci>
</apply>
<ci>tau_s_slow_endo</ci>
</apply>
</apply>
</math>
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<component name="pandit_steady_state_outward_K_current">
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<variable name="V" private_interface="out" public_interface="in" units="mV"/>
<variable name="E_K" public_interface="in" units="mV"/>
<variable name="r_ss" private_interface="in" units="dimensionless"/>
<variable name="s_ss" private_interface="in" units="dimensionless"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>i_ss</ci>
<apply>
<times/>
<ci>g_ss</ci>
<ci>r_ss</ci>
<ci>s_ss</ci>
<apply>
<minus/>
<ci>V</ci>
<ci>E_K</ci>
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<component name="steady_state_outward_K_current_r_ss_gate">
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<variable name="tau_r_ss" units="ms"/>
<variable name="r_ss_infinity" units="dimensionless"/>
<variable name="V" public_interface="in" units="mV"/>
<variable name="time" public_interface="in" units="ms"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
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<divide/>
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<apply>
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<apply>
<divide/>
<apply>
<plus/>
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<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="mV">11.82</cn>
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<apply>
<eq/>
<ci>tau_r_ss</ci>
<apply>
<divide/>
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<plus/>
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<apply>
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<apply>
<times/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="per_mV">0.03577</cn>
<apply>
<plus/>
<ci>V</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="mV">50</cn>
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</apply>
<apply>
<times/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">98.9</cn>
<apply>
<exp/>
<apply>
<times/>
<apply>
<minus/>
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<plus/>
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<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="mV">38</cn>
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</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<apply>
<diff/>
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<ci>r_ss</ci>
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<apply>
<divide/>
<apply>
<minus/>
<ci>r_ss_infinity</ci>
<ci>r_ss</ci>
</apply>
<ci>tau_r_ss</ci>
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<variable name="tau_s_ss" units="ms"/>
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<variable name="V" public_interface="in" units="mV"/>
<variable name="time" public_interface="in" units="ms"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
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<eq/>
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<divide/>
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<apply>
<plus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
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<apply>
<divide/>
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<plus/>
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<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="mV">87.5</cn>
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<apply>
<eq/>
<ci>tau_s_ss</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="ms">2100</cn>
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<eq/>
<apply>
<diff/>
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<ci>time</ci>
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<ci>s_ss</ci>
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<divide/>
<apply>
<minus/>
<ci>s_ss_infinity</ci>
<ci>s_ss</ci>
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<ci>tau_s_ss</ci>
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<component name="pandit_inward_rectifier">
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<variable initial_value="0.024e-3" name="g_K1" units="mSi"/>
<variable name="V" public_interface="in" units="mV"/>
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<variable name="F" public_interface="in" units="C_per_mole"/>
<variable name="T" public_interface="in" units="kelvin"/>
<variable name="K_o" public_interface="in" units="mM"/>
<variable name="K_i" public_interface="in" units="mM"/>
<variable name="E_K" public_interface="in" units="mV"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
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<plus/>
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<times/>
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<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="uA">48e-3</cn>
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<plus/>
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<exp/>
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<divide/>
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<plus/>
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<apply>
<exp/>
<apply>
<divide/>
<apply>
<plus/>
<ci>V</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="mV">37</cn>
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<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="mV">25</cn>
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</apply>
</apply>
</apply>
</apply>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="uA">10e-3</cn>
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<apply>
<divide/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">0.001</cn>
<apply>
<plus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<minus/>
<ci>V</ci>
<apply>
<plus/>
<ci>E_K</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="mV">76.77</cn>
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</apply>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="mV">17</cn>
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</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<divide/>
<apply>
<times/>
<ci>g_K1</ci>
<apply>
<minus/>
<ci>V</ci>
<apply>
<plus/>
<ci>E_K</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="mV">1.73</cn>
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</apply>
</apply>
<apply>
<times/>
<apply>
<plus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<times/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1.613</cn>
<ci>F</ci>
<apply>
<minus/>
<ci>V</ci>
<apply>
<plus/>
<ci>E_K</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="mV">1.73</cn>
</apply>
</apply>
</apply>
<apply>
<times/>
<ci>R</ci>
<ci>T</ci>
</apply>
</apply>
</apply>
</apply>
<apply>
<plus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<minus/>
<ci>K_o</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="mM">0.9988</cn>
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<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="mM">0.124</cn>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
</math>
</component>
<component name="pandit_hyperpolarisation_activated_current">
<variable cmeta:id="pandit_hyperpolarisation_activated_current_i_f" name="i_f" public_interface="out" units="uA"/>
<variable name="i_f_Na" public_interface="out" units="uA"/>
<variable name="i_f_K" public_interface="out" units="uA"/>
<variable initial_value="0.00145e-3" name="g_f" units="mSi"/>
<variable initial_value="0.2" name="f_Na" units="dimensionless"/>
<variable name="f_K" units="dimensionless"/>
<variable name="V" private_interface="out" public_interface="in" units="mV"/>
<variable name="E_K" public_interface="in" units="mV"/>
<variable name="E_Na" public_interface="in" units="mV"/>
<variable name="time" private_interface="out" public_interface="in" units="ms"/>
<variable name="y" private_interface="in" units="dimensionless"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>f_K</ci>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<ci>f_Na</ci>
</apply>
</apply>
<apply>
<eq/>
<ci>i_f_Na</ci>
<apply>
<times/>
<ci>g_f</ci>
<ci>y</ci>
<ci>f_Na</ci>
<apply>
<minus/>
<ci>V</ci>
<ci>E_Na</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>i_f_K</ci>
<apply>
<times/>
<ci>g_f</ci>
<ci>y</ci>
<ci>f_K</ci>
<apply>
<minus/>
<ci>V</ci>
<ci>E_K</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>i_f</ci>
<apply>
<plus/>
<ci>i_f_Na</ci>
<ci>i_f_K</ci>
</apply>
</apply>
</math>
</component>
<component name="hyperpolarisation_activated_current_y_gate">
<variable initial_value="0.0026369" name="y" public_interface="out" units="dimensionless"/>
<variable name="tau_y" units="ms"/>
<variable name="y_infinity" units="dimensionless"/>
<variable name="V" public_interface="in" units="mV"/>
<variable name="time" public_interface="in" units="ms"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>y_infinity</ci>
<apply>
<divide/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<plus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<plus/>
<ci>V</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="mV">138.6</cn>
</apply>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="mV">10.48</cn>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>tau_y</ci>
<apply>
<divide/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="ms">1000</cn>
<apply>
<plus/>
<apply>
<times/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">0.11885</cn>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<plus/>
<ci>V</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="mV">80</cn>
</apply>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="mV">28.37</cn>
</apply>
</apply>
</apply>
<apply>
<times/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">0.5623</cn>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<plus/>
<ci>V</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="mV">80</cn>
</apply>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="mV">14.19</cn>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<apply>
<diff/>
<bvar>
<ci>time</ci>
</bvar>
<ci>y</ci>
</apply>
<apply>
<divide/>
<apply>
<minus/>
<ci>y_infinity</ci>
<ci>y</ci>
</apply>
<ci>tau_y</ci>
</apply>
</apply>
</math>
</component>
<component name="pandit_background_currents">
<variable cmeta:id="pandit_background_currents_i_B_Na" name="i_B_Na" public_interface="out" units="uA"/>
<variable name="i_B_K" public_interface="out" units="uA"/>
<variable initial_value="0.00008015e-3" name="g_B_Na" units="mSi"/>
<variable initial_value="0.000138e-3" name="g_B_K" units="mSi"/>
<variable name="E_Na" public_interface="in" units="mV"/>
<variable name="E_K" public_interface="in" units="mV"/>
<variable name="V" public_interface="in" units="mV"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>i_B_Na</ci>
<apply>
<times/>
<ci>g_B_Na</ci>
<apply>
<minus/>
<ci>V</ci>
<ci>E_Na</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>i_B_K</ci>
<apply>
<times/>
<ci>g_B_K</ci>
<apply>
<minus/>
<ci>V</ci>
<ci>E_K</ci>
</apply>
</apply>
</apply>
</math>
</component>
<component name="pandit_sodium_potassium_pump">
<variable cmeta:id="pandit_sodium_potassium_pump_i_NaK" name="i_NaK" public_interface="out" units="uA"/>
<variable initial_value="0.95e-4" name="i_NaK_max" units="uA"/>
<variable initial_value="1.5" name="K_m_K" units="mM"/>
<variable initial_value="10" name="K_m_Na" units="mM"/>
<variable name="sigma" units="dimensionless"/>
<variable name="K_o" public_interface="in" units="mM"/>
<variable name="Na_o" public_interface="in" units="mM"/>
<variable name="Na_i" public_interface="in" units="mM"/>
<variable name="R" public_interface="in" units="mJ_per_mole_K"/>
<variable name="F" public_interface="in" units="C_per_mole"/>
<variable name="T" public_interface="in" units="kelvin"/>
<variable name="V" public_interface="in" units="mV"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>sigma</ci>
<apply>
<divide/>
<apply>
<minus/>
<apply>
<exp/>
<apply>
<divide/>
<ci>Na_o</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="mM">67.3</cn>
</apply>
</apply>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
</apply>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">7</cn>
</apply>
</apply>
<apply>
<eq/>
<ci>i_NaK</ci>
<apply>
<divide/>
<apply>
<times/>
<apply>
<divide/>
<apply>
<times/>
<apply>
<divide/>
<apply>
<times/>
<ci>i_NaK_max</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
</apply>
<apply>
<plus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<times/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">0.1245</cn>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<times/>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">0.1</cn>
</apply>
<ci>V</ci>
<ci>F</ci>
</apply>
<apply>
<times/>
<ci>R</ci>
<ci>T</ci>
</apply>
</apply>
</apply>
</apply>
<apply>
<times/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">0.0365</cn>
<ci>sigma</ci>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<times/>
<apply>
<minus/>
<ci>V</ci>
</apply>
<ci>F</ci>
</apply>
<apply>
<times/>
<ci>R</ci>
<ci>T</ci>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
<ci>K_o</ci>
</apply>
<apply>
<plus/>
<ci>K_o</ci>
<ci>K_m_K</ci>
</apply>
</apply>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
</apply>
<apply>
<plus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<power/>
<apply>
<divide/>
<ci>K_m_Na</ci>
<ci>Na_i</ci>
</apply>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">4</cn>
</apply>
</apply>
</apply>
</apply>
</math>
</component>
<component name="pandit_standard_ionic_concentrations">
<variable initial_value="140" name="Na_o" public_interface="out" units="mM"/>
<variable initial_value="1.2" name="Ca_o" public_interface="out" units="mM"/>
<variable initial_value="5.4" name="K_o" public_interface="out" units="mM"/>
</component>
<component name="hinch_CaRU">
<variable initial_value="0.065" name="g_D" private_interface="out" units="um3_per_ms"/>
<variable initial_value="0.02" name="J_R" private_interface="out" units="um3_per_ms"/>
<variable initial_value="9.13e-4" name="J_L" private_interface="out" units="um3_per_ms"/>
<variable name="V_myo" private_interface="out" public_interface="in" units="um3"/>
<variable initial_value="50000" name="N" private_interface="out" units="dimensionless"/>
<variable name="V" private_interface="out" public_interface="in" units="mV"/>
<variable name="Ca_i" private_interface="out" public_interface="in" units="mM"/>
<variable name="Ca_o" private_interface="out" public_interface="in" units="mM"/>
<variable name="Ca_SR" private_interface="out" public_interface="in" units="mM"/>
<variable name="time" private_interface="out" public_interface="in" units="ms"/>
<variable name="FVRT_Ca" private_interface="out" public_interface="in" units="dimensionless"/>
<variable name="I_RyR" private_interface="in" public_interface="out" units="mM_per_ms"/>
<variable name="I_LCC" private_interface="in" public_interface="out" units="mM_per_ms"/>
</component>
<component name="CaRU_Transitions">
<variable name="V" public_interface="in" units="mV"/>
<variable name="C_oc" public_interface="in" units="mM"/>
<variable name="C_co" public_interface="in" units="mM"/>
<variable name="Ca_i" public_interface="in" units="mM"/>
<variable initial_value="-2" name="V_L" units="mV"/>
<variable initial_value="7" name="del_VL" units="mV"/>
<variable initial_value="2.35" name="phi_L" units="dimensionless"/>
<variable initial_value="1" name="t_L" units="ms"/>
<variable initial_value="650" name="tau_L" units="ms"/>
<variable name="t_R" units="ms"/>
<variable initial_value="2.43" name="tau_R" units="ms"/>
<variable initial_value="0.05" name="phi_R" units="dimensionless"/>
<variable initial_value="0.012" name="theta_R" units="dimensionless"/>
<variable initial_value="41e-3" name="K_RyR" units="mM"/>
<variable initial_value="0.22e-3" name="K_L" units="mM"/>
<variable initial_value="0.0625" name="a" units="dimensionless"/>
<variable initial_value="14" name="b" units="dimensionless"/>
<variable initial_value="0.01" name="c" units="dimensionless"/>
<variable initial_value="100" name="d" units="dimensionless"/>
<variable name="expVL" units="dimensionless"/>
<variable name="alpha_p" public_interface="out" units="per_ms"/>
<variable name="alpha_m" public_interface="out" units="per_ms"/>
<variable name="beta_poc" public_interface="out" units="per_ms"/>
<variable name="beta_pcc" public_interface="out" units="per_ms"/>
<variable name="beta_m" public_interface="out" units="per_ms"/>
<variable name="epsilon_pco" public_interface="out" units="per_ms"/>
<variable name="epsilon_pcc" public_interface="out" units="per_ms"/>
<variable name="epsilon_m" public_interface="out" units="per_ms"/>
<variable name="mu_poc" public_interface="out" units="per_ms"/>
<variable name="mu_pcc" public_interface="out" units="per_ms"/>
<variable name="mu_moc" public_interface="out" units="per_ms"/>
<variable name="mu_mcc" public_interface="out" units="per_ms"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>expVL</ci>
<apply>
<exp/>
<apply>
<divide/>
<apply>
<minus/>
<ci>V</ci>
<ci>V_L</ci>
</apply>
<ci>del_VL</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>t_R</ci>
<apply>
<times/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1.17</cn>
<ci>t_L</ci>
</apply>
</apply>
<apply>
<eq/>
<ci>alpha_p</ci>
<apply>
<divide/>
<ci>expVL</ci>
<apply>
<times/>
<ci>t_L</ci>
<apply>
<plus/>
<ci>expVL</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>alpha_m</ci>
<apply>
<divide/>
<ci>phi_L</ci>
<ci>t_L</ci>
</apply>
</apply>
<apply>
<eq/>
<ci>beta_poc</ci>
<apply>
<divide/>
<apply>
<power/>
<ci>C_oc</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
</apply>
<apply>
<times/>
<ci>t_R</ci>
<apply>
<plus/>
<apply>
<power/>
<ci>C_oc</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
</apply>
<apply>
<power/>
<ci>K_RyR</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>beta_pcc</ci>
<apply>
<divide/>
<apply>
<power/>
<ci>Ca_i</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
</apply>
<apply>
<times/>
<ci>t_R</ci>
<apply>
<plus/>
<apply>
<power/>
<ci>Ca_i</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
</apply>
<apply>
<power/>
<ci>K_RyR</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>beta_m</ci>
<apply>
<divide/>
<ci>phi_R</ci>
<ci>t_R</ci>
</apply>
</apply>
<apply>
<eq/>
<ci>epsilon_pco</ci>
<apply>
<divide/>
<apply>
<times/>
<ci>C_co</ci>
<apply>
<plus/>
<ci>expVL</ci>
<ci>a</ci>
</apply>
</apply>
<apply>
<times/>
<ci>tau_L</ci>
<ci>K_L</ci>
<apply>
<plus/>
<ci>expVL</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>epsilon_pcc</ci>
<apply>
<divide/>
<apply>
<times/>
<ci>Ca_i</ci>
<apply>
<plus/>
<ci>expVL</ci>
<ci>a</ci>
</apply>
</apply>
<apply>
<times/>
<ci>tau_L</ci>
<ci>K_L</ci>
<apply>
<plus/>
<ci>expVL</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>epsilon_m</ci>
<apply>
<divide/>
<apply>
<times/>
<ci>b</ci>
<apply>
<plus/>
<ci>expVL</ci>
<ci>a</ci>
</apply>
</apply>
<apply>
<times/>
<ci>tau_L</ci>
<apply>
<plus/>
<apply>
<times/>
<ci>b</ci>
<ci>expVL</ci>
</apply>
<ci>a</ci>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>mu_poc</ci>
<apply>
<divide/>
<apply>
<plus/>
<apply>
<power/>
<ci>C_oc</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
</apply>
<apply>
<times/>
<ci>c</ci>
<apply>
<power/>
<ci>K_RyR</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
</apply>
</apply>
</apply>
<apply>
<times/>
<ci>tau_R</ci>
<apply>
<plus/>
<apply>
<power/>
<ci>C_oc</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
</apply>
<apply>
<power/>
<ci>K_RyR</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>mu_pcc</ci>
<apply>
<divide/>
<apply>
<plus/>
<apply>
<power/>
<ci>Ca_i</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
</apply>
<apply>
<times/>
<ci>c</ci>
<apply>
<power/>
<ci>K_RyR</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
</apply>
</apply>
</apply>
<apply>
<times/>
<ci>tau_R</ci>
<apply>
<plus/>
<apply>
<power/>
<ci>Ca_i</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
</apply>
<apply>
<power/>
<ci>K_RyR</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>mu_moc</ci>
<apply>
<divide/>
<apply>
<times/>
<ci>theta_R</ci>
<ci>d</ci>
<apply>
<plus/>
<apply>
<power/>
<ci>C_oc</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
</apply>
<apply>
<times/>
<ci>c</ci>
<apply>
<power/>
<ci>K_RyR</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
</apply>
</apply>
</apply>
</apply>
<apply>
<times/>
<ci>tau_R</ci>
<apply>
<plus/>
<apply>
<times/>
<ci>d</ci>
<apply>
<power/>
<ci>C_oc</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
</apply>
</apply>
<apply>
<times/>
<ci>c</ci>
<apply>
<power/>
<ci>K_RyR</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>mu_mcc</ci>
<apply>
<divide/>
<apply>
<times/>
<ci>theta_R</ci>
<ci>d</ci>
<apply>
<plus/>
<apply>
<power/>
<ci>Ca_i</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
</apply>
<apply>
<times/>
<ci>c</ci>
<apply>
<power/>
<ci>K_RyR</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
</apply>
</apply>
</apply>
</apply>
<apply>
<times/>
<ci>tau_R</ci>
<apply>
<plus/>
<apply>
<times/>
<ci>d</ci>
<apply>
<power/>
<ci>Ca_i</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
</apply>
</apply>
<apply>
<times/>
<ci>c</ci>
<apply>
<power/>
<ci>K_RyR</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
</math>
</component>
<component name="DS_Calcium_Concentrations">
<variable name="Ca_i" public_interface="in" units="mM"/>
<variable name="Ca_SR" public_interface="in" units="mM"/>
<variable name="Ca_o" public_interface="in" units="mM"/>
<variable name="FVRT_Ca" public_interface="in" units="dimensionless"/>
<variable name="g_D" public_interface="in" units="um3_per_ms"/>
<variable name="J_R" public_interface="in" units="um3_per_ms"/>
<variable name="J_L" public_interface="in" units="um3_per_ms"/>
<variable name="C_cc" public_interface="out" units="mM"/>
<variable name="C_oc" public_interface="out" units="mM"/>
<variable name="C_co" public_interface="out" units="mM"/>
<variable name="C_oo" public_interface="out" units="mM"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>C_cc</ci>
<ci>Ca_i</ci>
</apply>
<apply>
<eq/>
<ci>C_co</ci>
<apply>
<divide/>
<apply>
<plus/>
<ci>Ca_i</ci>
<apply>
<times/>
<apply>
<divide/>
<ci>J_R</ci>
<ci>g_D</ci>
</apply>
<ci>Ca_SR</ci>
</apply>
</apply>
<apply>
<plus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<divide/>
<ci>J_R</ci>
<ci>g_D</ci>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>C_oc</ci>
<piecewise>
<piece>
<apply>
<divide/>
<apply>
<plus/>
<ci>Ca_i</ci>
<apply>
<divide/>
<apply>
<times/>
<apply>
<divide/>
<ci>J_L</ci>
<ci>g_D</ci>
</apply>
<ci>Ca_o</ci>
<ci>FVRT_Ca</ci>
<apply>
<exp/>
<apply>
<minus/>
<ci>FVRT_Ca</ci>
</apply>
</apply>
</apply>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<exp/>
<apply>
<minus/>
<ci>FVRT_Ca</ci>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<plus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<divide/>
<apply>
<times/>
<apply>
<divide/>
<ci>J_L</ci>
<ci>g_D</ci>
</apply>
<ci>FVRT_Ca</ci>
</apply>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<exp/>
<apply>
<minus/>
<ci>FVRT_Ca</ci>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<gt/>
<apply>
<abs/>
<ci>FVRT_Ca</ci>
</apply>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">0.000000001</cn>
</apply>
</piece>
<otherwise>
<apply>
<divide/>
<apply>
<plus/>
<ci>Ca_i</ci>
<apply>
<times/>
<apply>
<divide/>
<ci>J_L</ci>
<ci>g_D</ci>
</apply>
<ci>Ca_o</ci>
</apply>
</apply>
<apply>
<plus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<divide/>
<ci>J_L</ci>
<ci>g_D</ci>
</apply>
</apply>
</apply>
</otherwise>
</piecewise>
</apply>
<apply>
<eq/>
<ci>C_oo</ci>
<piecewise>
<piece>
<apply>
<divide/>
<apply>
<plus/>
<ci>Ca_i</ci>
<apply>
<times/>
<apply>
<divide/>
<ci>J_R</ci>
<ci>g_D</ci>
</apply>
<ci>Ca_SR</ci>
</apply>
<apply>
<divide/>
<apply>
<times/>
<apply>
<divide/>
<ci>J_L</ci>
<ci>g_D</ci>
</apply>
<ci>Ca_o</ci>
<ci>FVRT_Ca</ci>
<apply>
<exp/>
<apply>
<minus/>
<ci>FVRT_Ca</ci>
</apply>
</apply>
</apply>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<exp/>
<apply>
<minus/>
<ci>FVRT_Ca</ci>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<plus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<divide/>
<ci>J_R</ci>
<ci>g_D</ci>
</apply>
<apply>
<divide/>
<apply>
<times/>
<apply>
<divide/>
<ci>J_L</ci>
<ci>g_D</ci>
</apply>
<ci>FVRT_Ca</ci>
</apply>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<exp/>
<apply>
<minus/>
<ci>FVRT_Ca</ci>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<gt/>
<apply>
<abs/>
<ci>FVRT_Ca</ci>
</apply>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">0.000000001</cn>
</apply>
</piece>
<otherwise>
<apply>
<divide/>
<apply>
<plus/>
<ci>Ca_i</ci>
<apply>
<times/>
<apply>
<divide/>
<ci>J_R</ci>
<ci>g_D</ci>
</apply>
<ci>Ca_SR</ci>
</apply>
<apply>
<times/>
<apply>
<divide/>
<ci>J_L</ci>
<ci>g_D</ci>
</apply>
<ci>Ca_o</ci>
</apply>
</apply>
<apply>
<plus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<divide/>
<ci>J_R</ci>
<ci>g_D</ci>
</apply>
<apply>
<divide/>
<ci>J_L</ci>
<ci>g_D</ci>
</apply>
</apply>
</apply>
</otherwise>
</piecewise>
</apply>
</math>
</component>
<component name="LCC_and_RyR_fluxes">
<variable name="g_D" public_interface="in" units="um3_per_ms"/>
<variable name="J_R" public_interface="in" units="um3_per_ms"/>
<variable name="J_L" public_interface="in" units="um3_per_ms"/>
<variable name="Ca_i" public_interface="in" units="mM"/>
<variable name="Ca_SR" public_interface="in" units="mM"/>
<variable name="Ca_o" public_interface="in" units="mM"/>
<variable name="FVRT_Ca" public_interface="in" units="dimensionless"/>
<variable name="J_Loo" public_interface="out" units="um3_mM_per_ms"/>
<variable name="J_Loc" public_interface="out" units="um3_mM_per_ms"/>
<variable name="J_Rco" public_interface="out" units="um3_mM_per_ms"/>
<variable name="J_Roo" public_interface="out" units="um3_mM_per_ms"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>J_Rco</ci>
<apply>
<divide/>
<apply>
<times/>
<ci>J_R</ci>
<apply>
<minus/>
<ci>Ca_SR</ci>
<ci>Ca_i</ci>
</apply>
</apply>
<apply>
<plus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<divide/>
<ci>J_R</ci>
<ci>g_D</ci>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>J_Roo</ci>
<piecewise>
<piece>
<apply>
<divide/>
<apply>
<times/>
<ci>J_R</ci>
<apply>
<plus/>
<apply>
<minus/>
<ci>Ca_SR</ci>
<ci>Ca_i</ci>
</apply>
<apply>
<times/>
<apply>
<divide/>
<apply>
<times/>
<apply>
<divide/>
<ci>J_L</ci>
<ci>g_D</ci>
</apply>
<ci>FVRT_Ca</ci>
</apply>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<exp/>
<apply>
<minus/>
<ci>FVRT_Ca</ci>
</apply>
</apply>
</apply>
</apply>
<apply>
<minus/>
<ci>Ca_SR</ci>
<apply>
<times/>
<ci>Ca_o</ci>
<apply>
<exp/>
<apply>
<minus/>
<ci>FVRT_Ca</ci>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<plus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<divide/>
<ci>J_R</ci>
<ci>g_D</ci>
</apply>
<apply>
<divide/>
<apply>
<times/>
<apply>
<divide/>
<ci>J_L</ci>
<ci>g_D</ci>
</apply>
<ci>FVRT_Ca</ci>
</apply>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<exp/>
<apply>
<minus/>
<ci>FVRT_Ca</ci>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<gt/>
<apply>
<abs/>
<ci>FVRT_Ca</ci>
</apply>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">0.00001</cn>
</apply>
</piece>
<otherwise>
<apply>
<divide/>
<apply>
<times/>
<ci>J_R</ci>
<apply>
<plus/>
<apply>
<minus/>
<ci>Ca_SR</ci>
<ci>Ca_i</ci>
</apply>
<apply>
<times/>
<apply>
<divide/>
<apply>
<times/>
<apply>
<divide/>
<ci>J_L</ci>
<ci>g_D</ci>
</apply>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">0.00001</cn>
</apply>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<exp/>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">0.00001</cn>
</apply>
</apply>
</apply>
</apply>
<apply>
<minus/>
<ci>Ca_SR</ci>
<apply>
<times/>
<ci>Ca_o</ci>
<apply>
<exp/>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">0.00001</cn>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<plus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<divide/>
<ci>J_R</ci>
<ci>g_D</ci>
</apply>
<apply>
<divide/>
<apply>
<times/>
<apply>
<divide/>
<ci>J_L</ci>
<ci>g_D</ci>
</apply>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">0.00001</cn>
</apply>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<exp/>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">0.00001</cn>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
</otherwise>
</piecewise>
</apply>
<apply>
<eq/>
<ci>J_Loc</ci>
<piecewise>
<piece>
<apply>
<divide/>
<apply>
<times/>
<apply>
<divide/>
<apply>
<times/>
<ci>J_L</ci>
<ci>FVRT_Ca</ci>
</apply>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<exp/>
<apply>
<minus/>
<ci>FVRT_Ca</ci>
</apply>
</apply>
</apply>
</apply>
<apply>
<minus/>
<apply>
<times/>
<ci>Ca_o</ci>
<apply>
<exp/>
<apply>
<minus/>
<ci>FVRT_Ca</ci>
</apply>
</apply>
</apply>
<ci>Ca_i</ci>
</apply>
</apply>
<apply>
<plus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<divide/>
<apply>
<times/>
<apply>
<divide/>
<ci>J_L</ci>
<ci>g_D</ci>
</apply>
<ci>FVRT_Ca</ci>
</apply>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<exp/>
<apply>
<minus/>
<ci>FVRT_Ca</ci>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<gt/>
<apply>
<abs/>
<ci>FVRT_Ca</ci>
</apply>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">0.00001</cn>
</apply>
</piece>
<otherwise>
<apply>
<divide/>
<apply>
<times/>
<apply>
<divide/>
<apply>
<times/>
<ci>J_L</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">0.00001</cn>
</apply>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<exp/>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">0.00001</cn>
</apply>
</apply>
</apply>
</apply>
<apply>
<minus/>
<apply>
<times/>
<ci>Ca_o</ci>
<apply>
<exp/>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">0.00001</cn>
</apply>
</apply>
</apply>
<ci>Ca_i</ci>
</apply>
</apply>
<apply>
<plus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<divide/>
<apply>
<times/>
<apply>
<divide/>
<ci>J_L</ci>
<ci>g_D</ci>
</apply>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">0.00001</cn>
</apply>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<exp/>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">0.00001</cn>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
</otherwise>
</piecewise>
</apply>
<apply>
<eq/>
<ci>J_Loo</ci>
<piecewise>
<piece>
<apply>
<divide/>
<apply>
<times/>
<apply>
<divide/>
<apply>
<times/>
<ci>J_L</ci>
<ci>FVRT_Ca</ci>
</apply>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<exp/>
<apply>
<minus/>
<ci>FVRT_Ca</ci>
</apply>
</apply>
</apply>
</apply>
<apply>
<plus/>
<apply>
<minus/>
<apply>
<times/>
<ci>Ca_o</ci>
<apply>
<exp/>
<apply>
<minus/>
<ci>FVRT_Ca</ci>
</apply>
</apply>
</apply>
<ci>Ca_i</ci>
</apply>
<apply>
<times/>
<apply>
<divide/>
<ci>J_R</ci>
<ci>g_D</ci>
</apply>
<apply>
<minus/>
<apply>
<times/>
<ci>Ca_o</ci>
<apply>
<exp/>
<apply>
<minus/>
<ci>FVRT_Ca</ci>
</apply>
</apply>
</apply>
<ci>Ca_SR</ci>
</apply>
</apply>
</apply>
</apply>
<apply>
<plus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<divide/>
<ci>J_R</ci>
<ci>g_D</ci>
</apply>
<apply>
<divide/>
<apply>
<times/>
<apply>
<divide/>
<ci>J_L</ci>
<ci>g_D</ci>
</apply>
<ci>FVRT_Ca</ci>
</apply>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<exp/>
<ci>FVRT_Ca</ci>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<gt/>
<apply>
<abs/>
<ci>FVRT_Ca</ci>
</apply>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">0.00001</cn>
</apply>
</piece>
<otherwise>
<apply>
<divide/>
<apply>
<times/>
<apply>
<divide/>
<apply>
<times/>
<ci>J_L</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">0.00001</cn>
</apply>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<exp/>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">0.00001</cn>
</apply>
</apply>
</apply>
</apply>
<apply>
<plus/>
<apply>
<minus/>
<apply>
<times/>
<ci>Ca_o</ci>
<apply>
<exp/>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">0.00001</cn>
</apply>
</apply>
</apply>
<ci>Ca_i</ci>
</apply>
<apply>
<times/>
<apply>
<divide/>
<ci>J_R</ci>
<ci>g_D</ci>
</apply>
<apply>
<minus/>
<apply>
<times/>
<ci>Ca_o</ci>
<apply>
<exp/>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">0.00001</cn>
</apply>
</apply>
</apply>
<ci>Ca_SR</ci>
</apply>
</apply>
</apply>
</apply>
<apply>
<plus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<divide/>
<ci>J_R</ci>
<ci>g_D</ci>
</apply>
<apply>
<divide/>
<apply>
<times/>
<apply>
<divide/>
<ci>J_L</ci>
<ci>g_D</ci>
</apply>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">0.00001</cn>
</apply>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<exp/>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">0.00001</cn>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
</otherwise>
</piecewise>
</apply>
</math>
</component>
<component name="CaRU_states">
<variable name="alpha_p" public_interface="in" units="per_ms"/>
<variable name="alpha_m" public_interface="in" units="per_ms"/>
<variable name="beta_pcc" public_interface="in" units="per_ms"/>
<variable name="beta_poc" public_interface="in" units="per_ms"/>
<variable name="beta_m" public_interface="in" units="per_ms"/>
<variable name="denom" units="per_ms3"/>
<variable name="y_oc" public_interface="out" units="dimensionless"/>
<variable name="y_co" public_interface="out" units="dimensionless"/>
<variable name="y_oo" public_interface="out" units="dimensionless"/>
<variable name="y_cc" public_interface="out" units="dimensionless"/>
<variable name="y_ci" public_interface="out" units="dimensionless"/>
<variable name="y_oi" public_interface="out" units="dimensionless"/>
<variable name="y_ic" public_interface="out" units="dimensionless"/>
<variable name="y_io" public_interface="out" units="dimensionless"/>
<variable name="y_ii" public_interface="out" units="dimensionless"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>denom</ci>
<apply>
<times/>
<apply>
<plus/>
<ci>alpha_p</ci>
<ci>alpha_m</ci>
</apply>
<apply>
<plus/>
<apply>
<times/>
<apply>
<plus/>
<ci>alpha_m</ci>
<ci>beta_m</ci>
<ci>beta_poc</ci>
</apply>
<apply>
<plus/>
<ci>beta_m</ci>
<ci>beta_pcc</ci>
</apply>
</apply>
<apply>
<times/>
<ci>alpha_p</ci>
<apply>
<plus/>
<ci>beta_m</ci>
<ci>beta_poc</ci>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>y_oc</ci>
<apply>
<divide/>
<apply>
<times/>
<ci>alpha_p</ci>
<ci>beta_m</ci>
<apply>
<plus/>
<ci>alpha_p</ci>
<ci>alpha_m</ci>
<ci>beta_m</ci>
<ci>beta_pcc</ci>
</apply>
</apply>
<ci>denom</ci>
</apply>
</apply>
<apply>
<eq/>
<ci>y_co</ci>
<apply>
<divide/>
<apply>
<times/>
<ci>alpha_m</ci>
<apply>
<plus/>
<apply>
<times/>
<ci>beta_pcc</ci>
<apply>
<plus/>
<ci>alpha_m</ci>
<ci>beta_m</ci>
<ci>beta_poc</ci>
</apply>
</apply>
<apply>
<times/>
<ci>beta_poc</ci>
<ci>alpha_p</ci>
</apply>
</apply>
</apply>
<ci>denom</ci>
</apply>
</apply>
<apply>
<eq/>
<ci>y_oo</ci>
<apply>
<divide/>
<apply>
<times/>
<ci>alpha_p</ci>
<apply>
<plus/>
<apply>
<times/>
<ci>beta_poc</ci>
<apply>
<plus/>
<ci>alpha_p</ci>
<ci>beta_m</ci>
<ci>beta_pcc</ci>
</apply>
</apply>
<apply>
<times/>
<ci>beta_pcc</ci>
<ci>alpha_m</ci>
</apply>
</apply>
</apply>
<ci>denom</ci>
</apply>
</apply>
<apply>
<eq/>
<ci>y_cc</ci>
<apply>
<divide/>
<apply>
<times/>
<ci>alpha_m</ci>
<ci>beta_m</ci>
<apply>
<plus/>
<ci>alpha_m</ci>
<ci>alpha_p</ci>
<ci>beta_m</ci>
<ci>beta_poc</ci>
</apply>
</apply>
<ci>denom</ci>
</apply>
</apply>
<apply>
<eq/>
<ci>y_ci</ci>
<apply>
<divide/>
<ci>alpha_m</ci>
<apply>
<plus/>
<ci>alpha_p</ci>
<ci>alpha_m</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>y_oi</ci>
<apply>
<divide/>
<ci>alpha_p</ci>
<apply>
<plus/>
<ci>alpha_p</ci>
<ci>alpha_m</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>y_ic</ci>
<apply>
<divide/>
<ci>beta_m</ci>
<apply>
<plus/>
<ci>beta_pcc</ci>
<ci>beta_m</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>y_io</ci>
<apply>
<divide/>
<ci>beta_pcc</ci>
<apply>
<plus/>
<ci>beta_pcc</ci>
<ci>beta_m</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>y_ii</ci>
<apply>
<minus/>
<apply>
<minus/>
<apply>
<minus/>
<apply>
<minus/>
<apply>
<minus/>
<apply>
<minus/>
<apply>
<minus/>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<ci>y_oc</ci>
</apply>
<ci>y_co</ci>
</apply>
<ci>y_oo</ci>
</apply>
<ci>y_cc</ci>
</apply>
<ci>y_ci</ci>
</apply>
<ci>y_ic</ci>
</apply>
<ci>y_oi</ci>
</apply>
<ci>y_io</ci>
</apply>
</apply>
</math>
</component>
<component name="CaRU_reduced_states">
<variable name="y_oc" public_interface="in" units="dimensionless"/>
<variable name="y_cc" public_interface="in" units="dimensionless"/>
<variable name="y_co" public_interface="in" units="dimensionless"/>
<variable name="alpha_p" public_interface="in" units="per_ms"/>
<variable name="alpha_m" public_interface="in" units="per_ms"/>
<variable name="beta_pcc" public_interface="in" units="per_ms"/>
<variable name="beta_m" public_interface="in" units="per_ms"/>
<variable name="epsilon_pco" public_interface="in" units="per_ms"/>
<variable name="epsilon_pcc" public_interface="in" units="per_ms"/>
<variable name="epsilon_m" public_interface="in" units="per_ms"/>
<variable name="mu_poc" public_interface="in" units="per_ms"/>
<variable name="mu_pcc" public_interface="in" units="per_ms"/>
<variable name="mu_moc" public_interface="in" units="per_ms"/>
<variable name="mu_mcc" public_interface="in" units="per_ms"/>
<variable name="r_1" public_interface="out" units="per_ms"/>
<variable name="r_2" public_interface="out" units="per_ms"/>
<variable name="r_3" public_interface="out" units="per_ms"/>
<variable name="r_4" public_interface="out" units="per_ms"/>
<variable name="r_5" public_interface="out" units="per_ms"/>
<variable name="r_6" public_interface="out" units="per_ms"/>
<variable name="r_7" public_interface="out" units="per_ms"/>
<variable name="r_8" public_interface="out" units="per_ms"/>
<variable initial_value="0.98794" name="z_1" public_interface="out" units="dimensionless"/>
<variable initial_value="0.00887" name="z_2" public_interface="out" units="dimensionless"/>
<variable initial_value="0.003156" name="z_3" public_interface="out" units="dimensionless"/>
<variable name="z_4" public_interface="out" units="dimensionless"/>
<variable name="time" public_interface="in" units="ms"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>r_1</ci>
<apply>
<plus/>
<apply>
<times/>
<ci>y_oc</ci>
<ci>mu_poc</ci>
</apply>
<apply>
<times/>
<ci>y_cc</ci>
<ci>mu_pcc</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>r_2</ci>
<apply>
<divide/>
<apply>
<plus/>
<apply>
<times/>
<ci>alpha_p</ci>
<ci>mu_moc</ci>
</apply>
<apply>
<times/>
<ci>alpha_m</ci>
<ci>mu_mcc</ci>
</apply>
</apply>
<apply>
<plus/>
<ci>alpha_p</ci>
<ci>alpha_m</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>r_3</ci>
<apply>
<divide/>
<apply>
<times/>
<ci>beta_m</ci>
<ci>mu_pcc</ci>
</apply>
<apply>
<plus/>
<ci>beta_m</ci>
<ci>beta_pcc</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>r_4</ci>
<ci>mu_mcc</ci>
</apply>
<apply>
<eq/>
<ci>r_5</ci>
<apply>
<plus/>
<apply>
<times/>
<ci>y_co</ci>
<ci>epsilon_pco</ci>
</apply>
<apply>
<times/>
<ci>y_cc</ci>
<ci>epsilon_pcc</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>r_6</ci>
<ci>epsilon_m</ci>
</apply>
<apply>
<eq/>
<ci>r_7</ci>
<apply>
<divide/>
<apply>
<times/>
<ci>alpha_m</ci>
<ci>epsilon_pcc</ci>
</apply>
<apply>
<plus/>
<ci>alpha_p</ci>
<ci>alpha_m</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>r_8</ci>
<ci>epsilon_m</ci>
</apply>
<apply>
<eq/>
<ci>z_4</ci>
<apply>
<minus/>
<apply>
<minus/>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<ci>z_1</ci>
</apply>
<ci>z_2</ci>
</apply>
<ci>z_3</ci>
</apply>
</apply>
<apply>
<eq/>
<apply>
<diff/>
<bvar>
<ci>time</ci>
</bvar>
<ci>z_1</ci>
</apply>
<apply>
<plus/>
<apply>
<times/>
<apply>
<minus/>
<apply>
<plus/>
<ci>r_1</ci>
<ci>r_5</ci>
</apply>
</apply>
<ci>z_1</ci>
</apply>
<apply>
<times/>
<ci>r_2</ci>
<ci>z_2</ci>
</apply>
<apply>
<times/>
<ci>r_6</ci>
<ci>z_3</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<apply>
<diff/>
<bvar>
<ci>time</ci>
</bvar>
<ci>z_2</ci>
</apply>
<apply>
<plus/>
<apply>
<minus/>
<apply>
<times/>
<ci>r_1</ci>
<ci>z_1</ci>
</apply>
<apply>
<times/>
<apply>
<plus/>
<ci>r_2</ci>
<ci>r_7</ci>
</apply>
<ci>z_2</ci>
</apply>
</apply>
<apply>
<times/>
<ci>r_8</ci>
<ci>z_4</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<apply>
<diff/>
<bvar>
<ci>time</ci>
</bvar>
<ci>z_3</ci>
</apply>
<apply>
<plus/>
<apply>
<minus/>
<apply>
<times/>
<ci>r_5</ci>
<ci>z_1</ci>
</apply>
<apply>
<times/>
<apply>
<plus/>
<ci>r_6</ci>
<ci>r_3</ci>
</apply>
<ci>z_3</ci>
</apply>
</apply>
<apply>
<times/>
<ci>r_4</ci>
<ci>z_4</ci>
</apply>
</apply>
</apply>
</math>
</component>
<component name="RyR_current">
<variable name="y_oo" public_interface="in" units="dimensionless"/>
<variable name="y_co" public_interface="in" units="dimensionless"/>
<variable name="y_oc" public_interface="in" units="dimensionless"/>
<variable name="beta_pcc" public_interface="in" units="per_ms"/>
<variable name="beta_m" public_interface="in" units="per_ms"/>
<variable name="J_Roo" public_interface="in" units="um3_mM_per_ms"/>
<variable name="J_Rco" public_interface="in" units="um3_mM_per_ms"/>
<variable name="z_1" public_interface="in" units="dimensionless"/>
<variable name="z_3" public_interface="in" units="dimensionless"/>
<variable name="V_myo" public_interface="in" units="um3"/>
<variable name="N" public_interface="in" units="dimensionless"/>
<variable name="J_R1" public_interface="out" units="um3_mM_per_ms"/>
<variable name="J_R3" public_interface="out" units="um3_mM_per_ms"/>
<variable cmeta:id="RyR_current_I_RyR" name="I_RyR" public_interface="out" units="mM_per_ms"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>J_R1</ci>
<apply>
<plus/>
<apply>
<times/>
<ci>y_oo</ci>
<ci>J_Roo</ci>
</apply>
<apply>
<times/>
<ci>J_Rco</ci>
<ci>y_co</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>J_R3</ci>
<apply>
<divide/>
<apply>
<times/>
<ci>J_Rco</ci>
<ci>beta_pcc</ci>
</apply>
<apply>
<plus/>
<ci>beta_m</ci>
<ci>beta_pcc</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>I_RyR</ci>
<apply>
<divide/>
<apply>
<times/>
<apply>
<plus/>
<apply>
<times/>
<ci>z_1</ci>
<ci>J_R1</ci>
</apply>
<apply>
<times/>
<ci>z_3</ci>
<ci>J_R3</ci>
</apply>
</apply>
<ci>N</ci>
</apply>
<ci>V_myo</ci>
</apply>
</apply>
</math>
</component>
<component name="LCC_current">
<variable name="y_oo" public_interface="in" units="dimensionless"/>
<variable name="y_oc" public_interface="in" units="dimensionless"/>
<variable name="alpha_p" public_interface="in" units="per_ms"/>
<variable name="alpha_m" public_interface="in" units="per_ms"/>
<variable name="J_Loo" public_interface="in" units="um3_mM_per_ms"/>
<variable name="J_Loc" public_interface="in" units="um3_mM_per_ms"/>
<variable name="z_1" public_interface="in" units="dimensionless"/>
<variable name="z_2" public_interface="in" units="dimensionless"/>
<variable name="V_myo" public_interface="in" units="um3"/>
<variable name="N" public_interface="in" units="dimensionless"/>
<variable name="J_L1" public_interface="out" units="um3_mM_per_ms"/>
<variable name="J_L2" public_interface="out" units="um3_mM_per_ms"/>
<variable cmeta:id="LCC_current_I_LCC" name="I_LCC" public_interface="out" units="mM_per_ms"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>J_L1</ci>
<apply>
<plus/>
<apply>
<times/>
<ci>J_Loo</ci>
<ci>y_oo</ci>
</apply>
<apply>
<times/>
<ci>J_Loc</ci>
<ci>y_oc</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>J_L2</ci>
<apply>
<divide/>
<apply>
<times/>
<ci>J_Loc</ci>
<ci>alpha_p</ci>
</apply>
<apply>
<plus/>
<ci>alpha_p</ci>
<ci>alpha_m</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>I_LCC</ci>
<apply>
<divide/>
<apply>
<times/>
<apply>
<plus/>
<apply>
<times/>
<ci>z_1</ci>
<ci>J_L1</ci>
</apply>
<apply>
<times/>
<ci>z_2</ci>
<ci>J_L2</ci>
</apply>
</apply>
<ci>N</ci>
</apply>
<ci>V_myo</ci>
</apply>
</apply>
</math>
</component>
<component name="hinch_Na_Ca_Exchanger">
<variable name="FVRT" public_interface="in" units="dimensionless"/>
<variable initial_value="87.5" name="K_mNa" units="mM"/>
<variable initial_value="1380e-3" name="K_mCa" units="mM"/>
<variable initial_value="0.35" name="eta" units="dimensionless"/>
<variable initial_value="0.1" name="k_sat" units="dimensionless"/>
<variable initial_value="38.5e-3" name="g_NCX" units="mM_per_ms"/>
<variable name="Na_i" public_interface="in" units="mM"/>
<variable name="Na_o" public_interface="in" units="mM"/>
<variable name="Ca_i" public_interface="in" units="mM"/>
<variable name="Ca_o" public_interface="in" units="mM"/>
<variable cmeta:id="hinch_Na_Ca_Exchanger_I_NaCa" name="I_NaCa" public_interface="out" units="mM_per_ms"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>I_NaCa</ci>
<apply>
<divide/>
<apply>
<times/>
<ci>g_NCX</ci>
<apply>
<minus/>
<apply>
<times/>
<apply>
<exp/>
<apply>
<times/>
<ci>eta</ci>
<ci>FVRT</ci>
</apply>
</apply>
<apply>
<power/>
<ci>Na_i</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">3</cn>
</apply>
<ci>Ca_o</ci>
</apply>
<apply>
<times/>
<apply>
<exp/>
<apply>
<times/>
<apply>
<minus/>
<ci>eta</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
</apply>
<ci>FVRT</ci>
</apply>
</apply>
<apply>
<power/>
<ci>Na_o</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">3</cn>
</apply>
<ci>Ca_i</ci>
</apply>
</apply>
</apply>
<apply>
<times/>
<apply>
<plus/>
<apply>
<power/>
<ci>Na_o</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">3</cn>
</apply>
<apply>
<power/>
<ci>K_mNa</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">3</cn>
</apply>
</apply>
<apply>
<plus/>
<ci>Ca_o</ci>
<ci>K_mCa</ci>
</apply>
<apply>
<plus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<times/>
<ci>k_sat</ci>
<apply>
<exp/>
<apply>
<times/>
<apply>
<minus/>
<ci>eta</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
</apply>
<ci>FVRT</ci>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
</math>
</component>
<component name="hinch_SERCA">
<variable initial_value="0.45e-3" name="g_SERCA" units="mM_per_ms"/>
<variable initial_value="0.5e-3" name="K_SERCA" units="mM"/>
<variable cmeta:id="hinch_SERCA_I_SERCA" name="I_SERCA" public_interface="out" units="mM_per_ms"/>
<variable name="Ca_i" public_interface="in" units="mM"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>I_SERCA</ci>
<apply>
<divide/>
<apply>
<times/>
<ci>g_SERCA</ci>
<apply>
<power/>
<ci>Ca_i</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
</apply>
</apply>
<apply>
<plus/>
<apply>
<power/>
<ci>K_SERCA</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
</apply>
<apply>
<power/>
<ci>Ca_i</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
</apply>
</apply>
</apply>
</apply>
</math>
</component>
<component name="hinch_Sarcolemmal_Ca_pump">
<variable initial_value="0.0035e-3" name="g_pCa" units="mM_per_ms"/>
<variable initial_value="0.5e-3" name="K_mpCa" units="mM"/>
<variable name="Ca_i" public_interface="in" units="mM"/>
<variable cmeta:id="hinch_Sarcolemmal_Ca_pump_I_pCa" name="I_pCa" public_interface="out" units="mM_per_ms"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>I_pCa</ci>
<apply>
<divide/>
<apply>
<times/>
<ci>g_pCa</ci>
<ci>Ca_i</ci>
</apply>
<apply>
<plus/>
<ci>K_mpCa</ci>
<ci>Ca_i</ci>
</apply>
</apply>
</apply>
</math>
</component>
<component name="hinch_Background_Ca_current">
<variable name="V" public_interface="in" units="mV"/>
<variable name="R" public_interface="in" units="mJ_per_mole_K"/>
<variable name="T" public_interface="in" units="kelvin"/>
<variable name="F" public_interface="in" units="C_per_mole"/>
<variable name="Ca_i" public_interface="in" units="mM"/>
<variable name="Ca_o" public_interface="in" units="mM"/>
<variable name="E_Ca" public_interface="out" units="mV"/>
<variable initial_value="2.6875e-8" name="g_CaB" units="mM_per_mV_ms"/>
<variable cmeta:id="hinch_Background_Ca_current_I_CaB" name="I_CaB" public_interface="out" units="mM_per_ms"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>E_Ca</ci>
<apply>
<times/>
<apply>
<divide/>
<apply>
<times/>
<ci>R</ci>
<ci>T</ci>
</apply>
<apply>
<times/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
<ci>F</ci>
</apply>
</apply>
<apply>
<ln/>
<apply>
<divide/>
<ci>Ca_o</ci>
<ci>Ca_i</ci>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>I_CaB</ci>
<apply>
<times/>
<ci>g_CaB</ci>
<apply>
<minus/>
<ci>E_Ca</ci>
<ci>V</ci>
</apply>
</apply>
</apply>
</math>
</component>
<component name="hinch_SR_Ca_leak_current">
<variable name="Ca_i" public_interface="in" units="mM"/>
<variable name="Ca_SR" public_interface="in" units="mM"/>
<variable initial_value="1.8951e-5" name="g_SRl" units="per_ms"/>
<variable cmeta:id="hinch_SR_Ca_leak_current_I_SR" name="I_SR" public_interface="out" units="mM_per_ms"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>I_SR</ci>
<apply>
<times/>
<ci>g_SRl</ci>
<apply>
<minus/>
<ci>Ca_SR</ci>
<ci>Ca_i</ci>
</apply>
</apply>
</apply>
</math>
</component>
<component name="hinch_calmodulin_Ca_buffer">
<variable initial_value="2.382e-3" name="k_CMDN" units="mM"/>
<variable initial_value="50e-3" name="B_CMDN" units="mM"/>
<variable name="Ca_i" public_interface="in" units="mM"/>
<variable name="beta_CMDN" public_interface="out" units="dimensionless"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>beta_CMDN</ci>
<apply>
<power/>
<apply>
<plus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<divide/>
<apply>
<times/>
<ci>k_CMDN</ci>
<ci>B_CMDN</ci>
</apply>
<apply>
<power/>
<apply>
<plus/>
<ci>k_CMDN</ci>
<ci>Ca_i</ci>
</apply>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
</apply>
</apply>
</apply>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
</apply>
</apply>
</apply>
</math>
</component>
<component name="convert_hinch">
<variable name="F" public_interface="in" units="C_per_mole"/>
<variable name="V_myo_uL" public_interface="in" units="uL"/>
<variable name="hinch_I_LCC" public_interface="in" units="mM_per_ms"/>
<variable name="hinch_I_NaCa" public_interface="in" units="mM_per_ms"/>
<variable name="hinch_I_pCa" public_interface="in" units="mM_per_ms"/>
<variable name="hinch_I_CaB" public_interface="in" units="mM_per_ms"/>
<variable name="hinch_I_RyR" public_interface="in" units="mM_per_ms"/>
<variable name="I_LCC" public_interface="out" units="uA"/>
<variable name="I_NaCa" public_interface="out" units="uA"/>
<variable name="I_pCa" public_interface="out" units="uA"/>
<variable name="I_CaB" public_interface="out" units="uA"/>
<variable name="I_RyR" public_interface="out" units="mM_per_ms"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>I_LCC</ci>
<apply>
<times/>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1.5</cn>
</apply>
<ci>hinch_I_LCC</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
<ci>V_myo_uL</ci>
<ci>F</ci>
</apply>
</apply>
<apply>
<eq/>
<ci>I_NaCa</ci>
<apply>
<times/>
<ci>hinch_I_NaCa</ci>
<ci>V_myo_uL</ci>
<ci>F</ci>
</apply>
</apply>
<apply>
<eq/>
<ci>I_pCa</ci>
<apply>
<times/>
<ci>hinch_I_pCa</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
<ci>V_myo_uL</ci>
<ci>F</ci>
</apply>
</apply>
<apply>
<eq/>
<ci>I_CaB</ci>
<apply>
<times/>
<apply>
<minus/>
<ci>hinch_I_CaB</ci>
</apply>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
<ci>V_myo_uL</ci>
<ci>F</ci>
</apply>
</apply>
<apply>
<eq/>
<ci>I_RyR</ci>
<apply>
<times/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1.5</cn>
<ci>hinch_I_RyR</ci>
</apply>
</apply>
</math>
</component>
<component name="niederer_thinfilaments"/>
<component name="niederer_tropomyosin">
<variable initial_value="0.020023" name="z" public_interface="out" units="dimensionless"/>
<variable name="z_max" public_interface="out" units="dimensionless"/>
<variable name="time" public_interface="in" units="ms"/>
<variable name="k_on" public_interface="in" units="per_mM_ms"/>
<variable name="k_Ref_off" public_interface="in" units="per_ms"/>
<variable name="gamma_trpn" public_interface="in" units="dimensionless"/>
<variable name="Ca_TRPN_Max" public_interface="in" units="mM"/>
<variable initial_value="8e-3" name="alpha_0" units="per_ms"/>
<variable initial_value="2e-3" name="alpha_r1" units="per_ms"/>
<variable initial_value="1.75e-3" name="alpha_r2" units="per_ms"/>
<variable initial_value="3" name="n_Rel" units="dimensionless"/>
<variable initial_value="0.15" name="K_z" units="dimensionless"/>
<variable initial_value="3" name="n_Hill" units="dimensionless"/>
<variable initial_value="1.05e-3" name="Ca_50ref" units="mM"/>
<variable initial_value="0.85" name="z_p" units="dimensionless"/>
<variable initial_value="-4" name="beta_1" units="dimensionless"/>
<variable name="Ca_50" units="mM"/>
<variable name="Ca_TRPN_50" units="mM"/>
<variable name="K_2" units="per_ms"/>
<variable name="K_1" units="per_ms"/>
<variable name="alpha_Tm" units="per_ms"/>
<variable name="beta_Tm" units="per_ms"/>
<variable name="beta_0" public_interface="in" units="dimensionless"/>
<variable name="Ca_b" public_interface="in" units="mM"/>
<variable name="lambda" public_interface="in" units="dimensionless"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>K_2</ci>
<apply>
<times/>
<apply>
<divide/>
<apply>
<times/>
<ci>alpha_r2</ci>
<apply>
<power/>
<ci>z_p</ci>
<ci>n_Rel</ci>
</apply>
</apply>
<apply>
<plus/>
<apply>
<power/>
<ci>z_p</ci>
<ci>n_Rel</ci>
</apply>
<apply>
<power/>
<ci>K_z</ci>
<ci>n_Rel</ci>
</apply>
</apply>
</apply>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<divide/>
<apply>
<times/>
<ci>n_Rel</ci>
<apply>
<power/>
<ci>K_z</ci>
<ci>n_Rel</ci>
</apply>
</apply>
<apply>
<plus/>
<apply>
<power/>
<ci>z_p</ci>
<ci>n_Rel</ci>
</apply>
<apply>
<power/>
<ci>K_z</ci>
<ci>n_Rel</ci>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>K_1</ci>
<apply>
<divide/>
<apply>
<times/>
<ci>alpha_r2</ci>
<apply>
<power/>
<ci>z_p</ci>
<apply>
<minus/>
<ci>n_Rel</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
</apply>
</apply>
<ci>n_Rel</ci>
<apply>
<power/>
<ci>K_z</ci>
<ci>n_Rel</ci>
</apply>
</apply>
<apply>
<power/>
<apply>
<plus/>
<apply>
<power/>
<ci>z_p</ci>
<ci>n_Rel</ci>
</apply>
<apply>
<power/>
<ci>K_z</ci>
<ci>n_Rel</ci>
</apply>
</apply>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>z_max</ci>
<apply>
<divide/>
<apply>
<minus/>
<apply>
<divide/>
<ci>alpha_0</ci>
<apply>
<power/>
<apply>
<divide/>
<ci>Ca_TRPN_50</ci>
<ci>Ca_TRPN_Max</ci>
</apply>
<ci>n_Hill</ci>
</apply>
</apply>
<ci>K_2</ci>
</apply>
<apply>
<plus/>
<ci>alpha_r1</ci>
<ci>K_1</ci>
<apply>
<divide/>
<ci>alpha_0</ci>
<apply>
<power/>
<apply>
<divide/>
<ci>Ca_TRPN_50</ci>
<ci>Ca_TRPN_Max</ci>
</apply>
<ci>n_Hill</ci>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>Ca_50</ci>
<apply>
<times/>
<ci>Ca_50ref</ci>
<apply>
<plus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<times/>
<ci>beta_1</ci>
<apply>
<minus/>
<ci>lambda</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>Ca_TRPN_50</ci>
<apply>
<divide/>
<apply>
<times/>
<ci>Ca_50</ci>
<ci>Ca_TRPN_Max</ci>
</apply>
<apply>
<plus/>
<ci>Ca_50</ci>
<apply>
<times/>
<apply>
<divide/>
<ci>k_Ref_off</ci>
<ci>k_on</ci>
</apply>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<divide/>
<apply>
<times/>
<apply>
<plus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<times/>
<ci>beta_0</ci>
<apply>
<minus/>
<ci>lambda</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
</apply>
</apply>
</apply>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">0.5</cn>
</apply>
<ci>gamma_trpn</ci>
</apply>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>alpha_Tm</ci>
<apply>
<times/>
<ci>alpha_0</ci>
<apply>
<power/>
<apply>
<divide/>
<ci>Ca_b</ci>
<ci>Ca_TRPN_50</ci>
</apply>
<ci>n_Hill</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<ci>beta_Tm</ci>
<apply>
<plus/>
<ci>alpha_r1</ci>
<apply>
<divide/>
<apply>
<times/>
<ci>alpha_r2</ci>
<apply>
<power/>
<ci>z</ci>
<apply>
<minus/>
<ci>n_Rel</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
</apply>
</apply>
</apply>
<apply>
<plus/>
<apply>
<power/>
<ci>z</ci>
<ci>n_Rel</ci>
</apply>
<apply>
<power/>
<ci>K_z</ci>
<ci>n_Rel</ci>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<apply>
<diff/>
<bvar>
<ci>time</ci>
</bvar>
<ci>z</ci>
</apply>
<apply>
<minus/>
<apply>
<times/>
<ci>alpha_Tm</ci>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<ci>z</ci>
</apply>
</apply>
<apply>
<times/>
<ci>beta_Tm</ci>
<ci>z</ci>
</apply>
</apply>
</apply>
</math>
</component>
<component name="niederer_troponin">
<variable name="I_TRPN" public_interface="out" units="mM_per_ms"/>
<variable initial_value="70e-3" name="Ca_TRPN_Max" public_interface="out" units="mM"/>
<variable name="TRPN" public_interface="in" units="mM"/>
<variable name="Ca_i" public_interface="in" units="mM"/>
<variable name="k_off" units="per_ms"/>
<variable initial_value="100" name="k_on" public_interface="out" units="per_mM_ms"/>
<variable initial_value="0.2" name="k_Ref_off" public_interface="out" units="per_ms"/>
<variable initial_value="2" name="gamma_trpn" public_interface="out" units="dimensionless"/>
<variable name="Tension" public_interface="in" units="N_per_mm2"/>
<variable name="T_ref" public_interface="in" units="N_per_mm2"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>k_off</ci>
<piecewise>
<piece>
<apply>
<times/>
<ci>k_Ref_off</ci>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<divide/>
<ci>Tension</ci>
<apply>
<times/>
<ci>gamma_trpn</ci>
<ci>T_ref</ci>
</apply>
</apply>
</apply>
</apply>
<apply>
<gt/>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<divide/>
<ci>Tension</ci>
<apply>
<times/>
<ci>gamma_trpn</ci>
<ci>T_ref</ci>
</apply>
</apply>
</apply>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">0.1</cn>
</apply>
</piece>
<otherwise>
<apply>
<times/>
<ci>k_Ref_off</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">0.1</cn>
</apply>
</otherwise>
</piecewise>
</apply>
<apply>
<eq/>
<ci>I_TRPN</ci>
<apply>
<minus/>
<apply>
<times/>
<apply>
<minus/>
<ci>Ca_TRPN_Max</ci>
<ci>TRPN</ci>
</apply>
<ci>k_off</ci>
</apply>
<apply>
<times/>
<ci>Ca_i</ci>
<ci>TRPN</ci>
<ci>k_on</ci>
</apply>
</apply>
</apply>
</math>
</component>
<component name="niederer_Myofilaments">
<variable name="time" public_interface="in" units="ms"/>
<variable name="lambda" public_interface="out" units="dimensionless"/>
<variable name="ExtensionRatio" public_interface="out" units="dimensionless"/>
<variable name="dExtensionRatiodt" public_interface="out" units="per_ms"/>
<variable name="lambda_prev" public_interface="out" units="dimensionless"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>ExtensionRatio</ci>
<piecewise>
<piece>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<gt/>
<ci>time</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="ms">3e5</cn>
</apply>
</piece>
<otherwise>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
</otherwise>
</piecewise>
</apply>
<apply>
<eq/>
<ci>lambda_prev</ci>
<ci>ExtensionRatio</ci>
</apply>
<apply>
<eq/>
<ci>dExtensionRatiodt</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="per_ms">0</cn>
</apply>
<apply>
<eq/>
<ci>lambda</ci>
<piecewise>
<piece>
<ci>ExtensionRatio</ci>
<apply>
<and/>
<apply>
<gt/>
<ci>ExtensionRatio</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">0.8</cn>
</apply>
<apply>
<leq/>
<ci>ExtensionRatio</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1.15</cn>
</apply>
</apply>
</piece>
<piece>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1.15</cn>
<apply>
<gt/>
<ci>ExtensionRatio</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1.15</cn>
</apply>
</piece>
<otherwise>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">0.8</cn>
</otherwise>
</piecewise>
</apply>
</math>
</component>
<component name="niederer_filament_overlap">
<variable name="lambda" public_interface="in" units="dimensionless"/>
<variable name="overlap" public_interface="out" units="dimensionless"/>
<variable initial_value="4.9" name="beta_0" public_interface="out" units="dimensionless"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>overlap</ci>
<apply>
<plus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<times/>
<ci>beta_0</ci>
<apply>
<minus/>
<ci>lambda</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
</apply>
</apply>
</apply>
</apply>
</math>
</component>
<component name="niederer_length_independent_tension">
<variable initial_value="56.2" name="T_ref" public_interface="out" units="N_per_mm2"/>
<variable name="T_Base" public_interface="out" units="N_per_mm2"/>
<variable name="z" public_interface="in" units="dimensionless"/>
<variable name="z_max" public_interface="in" units="dimensionless"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>T_Base</ci>
<apply>
<divide/>
<apply>
<times/>
<ci>T_ref</ci>
<ci>z</ci>
</apply>
<ci>z_max</ci>
</apply>
</apply>
</math>
</component>
<component name="niederer_isometric_tension">
<variable cmeta:id="niederer_isometric_tension_T_0" name="T_0" public_interface="out" units="N_per_mm2"/>
<variable name="T_Base" public_interface="in" units="N_per_mm2"/>
<variable name="overlap" public_interface="in" units="dimensionless"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>T_0</ci>
<apply>
<times/>
<ci>T_Base</ci>
<ci>overlap</ci>
</apply>
</apply>
</math>
</component>
<component name="niederer_Cross_Bridges">
<variable name="time" public_interface="in" units="ms"/>
<variable name="dExtensionRatiodt" public_interface="in" units="per_ms"/>
<variable name="Q" units="dimensionless"/>
<variable initial_value="0.35" name="a" units="dimensionless"/>
<variable initial_value="0" name="Q_1" units="dimensionless"/>
<variable initial_value="0" name="Q_2" units="dimensionless"/>
<variable initial_value="0" name="Q_3" units="dimensionless"/>
<variable initial_value="-29" name="A_1" units="dimensionless"/>
<variable initial_value="138" name="A_2" units="dimensionless"/>
<variable initial_value="129" name="A_3" units="dimensionless"/>
<variable initial_value="0.03" name="alpha_1" units="per_ms"/>
<variable initial_value="0.13" name="alpha_2" units="per_ms"/>
<variable initial_value="0.625" name="alpha_3" units="per_ms"/>
<variable name="T_0" public_interface="in" units="N_per_mm2"/>
<variable name="Tension" public_interface="out" units="N_per_mm2"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>Q</ci>
<apply>
<plus/>
<ci>Q_1</ci>
<ci>Q_2</ci>
<ci>Q_3</ci>
</apply>
</apply>
<apply>
<eq/>
<ci>Tension</ci>
<piecewise>
<piece>
<apply>
<divide/>
<apply>
<times/>
<ci>T_0</ci>
<apply>
<plus/>
<apply>
<times/>
<ci>a</ci>
<ci>Q</ci>
</apply>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
</apply>
</apply>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<ci>Q</ci>
</apply>
</apply>
<apply>
<lt/>
<ci>Q</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">0</cn>
</apply>
</piece>
<otherwise>
<apply>
<divide/>
<apply>
<times/>
<ci>T_0</ci>
<apply>
<plus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<apply>
<times/>
<apply>
<plus/>
<ci>a</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
</apply>
<ci>Q</ci>
</apply>
</apply>
</apply>
<apply>
<plus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
<ci>Q</ci>
</apply>
</apply>
</otherwise>
</piecewise>
</apply>
<apply>
<eq/>
<apply>
<diff/>
<bvar>
<ci>time</ci>
</bvar>
<ci>Q_1</ci>
</apply>
<apply>
<minus/>
<apply>
<times/>
<ci>A_1</ci>
<ci>dExtensionRatiodt</ci>
</apply>
<apply>
<times/>
<ci>alpha_1</ci>
<ci>Q_1</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<apply>
<diff/>
<bvar>
<ci>time</ci>
</bvar>
<ci>Q_2</ci>
</apply>
<apply>
<minus/>
<apply>
<times/>
<ci>A_2</ci>
<ci>dExtensionRatiodt</ci>
</apply>
<apply>
<times/>
<ci>alpha_2</ci>
<ci>Q_2</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<apply>
<diff/>
<bvar>
<ci>time</ci>
</bvar>
<ci>Q_3</ci>
</apply>
<apply>
<minus/>
<apply>
<times/>
<ci>A_3</ci>
<ci>dExtensionRatiodt</ci>
</apply>
<apply>
<times/>
<ci>alpha_3</ci>
<ci>Q_3</ci>
</apply>
</apply>
</apply>
</math>
</component>
<component name="intracellular_ion_concentrations">
<variable initial_value="11.28" name="Na_i" public_interface="out" units="mM"/>
<variable cmeta:id="intracellular_ion_concentrations_Ca_i" initial_value="0.00011423" name="Ca_i" public_interface="out" units="mM"/>
<variable initial_value="721.96e-3" name="Ca_SR" public_interface="out" units="mM"/>
<variable initial_value="138.7225" name="K_i" public_interface="out" units="mM"/>
<variable initial_value="0.0661796" name="TRPN" public_interface="out" units="mM"/>
<variable name="V_myo_uL" public_interface="in" units="uL"/>
<variable name="V_SR_uL" public_interface="in" units="uL"/>
<variable name="time" public_interface="in" units="ms"/>
<variable name="F" public_interface="in" units="C_per_mole"/>
<variable name="I_Na" public_interface="in" units="uA"/>
<variable name="I_B_Na" public_interface="in" units="uA"/>
<variable name="I_B_K" public_interface="in" units="uA"/>
<variable name="I_NaK" public_interface="in" units="uA"/>
<variable name="I_f_Na" public_interface="in" units="uA"/>
<variable name="I_f_K" public_interface="in" units="uA"/>
<variable name="I_K1" public_interface="in" units="uA"/>
<variable name="I_t" public_interface="in" units="uA"/>
<variable name="I_ss" public_interface="in" units="uA"/>
<variable name="I_Stim" public_interface="in" units="uA"/>
<variable name="I_RyR" public_interface="in" units="mM_per_ms"/>
<variable name="I_LCC" public_interface="in" units="uA"/>
<variable name="I_NaCa" public_interface="in" units="uA"/>
<variable name="I_SERCA" public_interface="in" units="mM_per_ms"/>
<variable name="I_pCa" public_interface="in" units="uA"/>
<variable name="I_CaB" public_interface="in" units="uA"/>
<variable name="I_SR" public_interface="in" units="mM_per_ms"/>
<variable name="I_TRPN" public_interface="in" units="mM_per_ms"/>
<variable name="beta_CMDN" public_interface="in" units="dimensionless"/>
<variable name="Ca_b" public_interface="out" units="mM"/>
<variable name="Ca_TRPN_Max" public_interface="in" units="mM"/>
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<eq/>
<ci>Ca_b</ci>
<apply>
<minus/>
<ci>Ca_TRPN_Max</ci>
<ci>TRPN</ci>
</apply>
</apply>
<apply>
<eq/>
<apply>
<diff/>
<bvar>
<ci>time</ci>
</bvar>
<ci>Na_i</ci>
</apply>
<apply>
<divide/>
<apply>
<times/>
<apply>
<minus/>
<apply>
<plus/>
<ci>I_Na</ci>
<ci>I_B_Na</ci>
<apply>
<times/>
<ci>I_NaCa</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">3</cn>
</apply>
<apply>
<times/>
<ci>I_NaK</ci>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">3</cn>
</apply>
<ci>I_f_Na</ci>
</apply>
</apply>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
</apply>
<apply>
<times/>
<ci>V_myo_uL</ci>
<ci>F</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<apply>
<diff/>
<bvar>
<ci>time</ci>
</bvar>
<ci>K_i</ci>
</apply>
<apply>
<divide/>
<apply>
<times/>
<apply>
<minus/>
<apply>
<plus/>
<ci>I_Stim</ci>
<ci>I_ss</ci>
<ci>I_B_K</ci>
<ci>I_t</ci>
<ci>I_K1</ci>
<ci>I_f_K</ci>
<apply>
<times/>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
</apply>
<ci>I_NaK</ci>
</apply>
</apply>
</apply>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">1</cn>
</apply>
<apply>
<times/>
<ci>V_myo_uL</ci>
<ci>F</ci>
</apply>
</apply>
</apply>
<apply>
<eq/>
<apply>
<diff/>
<bvar>
<ci>time</ci>
</bvar>
<ci>TRPN</ci>
</apply>
<ci>I_TRPN</ci>
</apply>
<apply>
<eq/>
<apply>
<diff/>
<bvar>
<ci>time</ci>
</bvar>
<ci>Ca_i</ci>
</apply>
<apply>
<times/>
<ci>beta_CMDN</ci>
<apply>
<minus/>
<apply>
<plus/>
<apply>
<minus/>
<ci>I_RyR</ci>
<ci>I_SERCA</ci>
</apply>
<ci>I_SR</ci>
<ci>I_TRPN</ci>
</apply>
<apply>
<divide/>
<apply>
<plus/>
<apply>
<times/>
<apply>
<minus/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
</apply>
<ci>I_NaCa</ci>
</apply>
<ci>I_pCa</ci>
<ci>I_CaB</ci>
<ci>I_LCC</ci>
</apply>
<apply>
<times/>
<cn xmlns:cellml="http://www.cellml.org/cellml/1.0#" cellml:units="dimensionless">2</cn>
<ci>V_myo_uL</ci>
<ci>F</ci>
</apply>
</apply>
</apply>
</apply>
</apply>
<apply>
<eq/>
<apply>
<diff/>
<bvar>
<ci>time</ci>
</bvar>
<ci>Ca_SR</ci>
</apply>
<apply>
<times/>
<apply>
<divide/>
<ci>V_myo_uL</ci>
<ci>V_SR_uL</ci>
</apply>
<apply>
<minus/>
<apply>
<plus/>
<apply>
<minus/>
<ci>I_RyR</ci>
</apply>
<ci>I_SERCA</ci>
</apply>
<ci>I_SR</ci>
</apply>
</apply>
</apply>
</math>
</component>
<group>
<relationship_ref relationship="containment"/>
<component_ref component="membrane">
<component_ref component="pandit_sodium_current">
<component_ref component="sodium_current_m_gate"/>
<component_ref component="sodium_current_h_gate"/>
<component_ref component="sodium_current_j_gate"/>
</component_ref>
<component_ref component="pandit_Ca_independent_transient_outward_K_current">
<component_ref component="Ca_independent_transient_outward_K_current_r_gate"/>
<component_ref component="Ca_independent_transient_outward_K_current_s_gate"/>
<component_ref component="Ca_independent_transient_outward_K_current_s_slow_gate"/>
</component_ref>
<component_ref component="pandit_steady_state_outward_K_current">
<component_ref component="steady_state_outward_K_current_r_ss_gate"/>
<component_ref component="steady_state_outward_K_current_s_ss_gate"/>
</component_ref>
<component_ref component="pandit_inward_rectifier"/>
<component_ref component="pandit_hyperpolarisation_activated_current">
<component_ref component="hyperpolarisation_activated_current_y_gate"/>
</component_ref>
<component_ref component="pandit_background_currents"/>
<component_ref component="pandit_sodium_potassium_pump"/>
<component_ref component="pandit_standard_ionic_concentrations"/>
<component_ref component="intracellular_ion_concentrations"/>
<component_ref component="cell_geometry"/>
<component_ref component="hinch_CaRU">
<component_ref component="CaRU_Transitions"/>
<component_ref component="DS_Calcium_Concentrations"/>
<component_ref component="LCC_and_RyR_fluxes"/>
<component_ref component="CaRU_states"/>
<component_ref component="CaRU_reduced_states"/>
<component_ref component="RyR_current"/>
<component_ref component="LCC_current"/>
</component_ref>
<component_ref component="hinch_Na_Ca_Exchanger"/>
<component_ref component="hinch_SERCA"/>
<component_ref component="hinch_Sarcolemmal_Ca_pump"/>
<component_ref component="hinch_Background_Ca_current"/>
<component_ref component="hinch_SR_Ca_leak_current"/>
<component_ref component="hinch_calmodulin_Ca_buffer"/>
<component_ref component="convert_hinch"/>
</component_ref>
<component_ref component="niederer_Myofilaments">
<component_ref component="niederer_thinfilaments">
<component_ref component="niederer_tropomyosin"/>
<component_ref component="niederer_troponin"/>
</component_ref>
<component_ref component="niederer_filament_overlap"/>
<component_ref component="niederer_Cross_Bridges"/>
<component_ref component="niederer_isometric_tension"/>
<component_ref component="niederer_length_independent_tension"/>
</component_ref>
</group>
<group>
<relationship_ref relationship="encapsulation"/>
<component_ref component="pandit_sodium_current">
<component_ref component="sodium_current_m_gate"/>
<component_ref component="sodium_current_h_gate"/>
<component_ref component="sodium_current_j_gate"/>
</component_ref>
<component_ref component="pandit_Ca_independent_transient_outward_K_current">
<component_ref component="Ca_independent_transient_outward_K_current_r_gate"/>
<component_ref component="Ca_independent_transient_outward_K_current_s_gate"/>
<component_ref component="Ca_independent_transient_outward_K_current_s_slow_gate"/>
</component_ref>
<component_ref component="pandit_steady_state_outward_K_current">
<component_ref component="steady_state_outward_K_current_r_ss_gate"/>
<component_ref component="steady_state_outward_K_current_s_ss_gate"/>
</component_ref>
<component_ref component="pandit_hyperpolarisation_activated_current">
<component_ref component="hyperpolarisation_activated_current_y_gate"/>
</component_ref>
<component_ref component="hinch_CaRU">
<component_ref component="CaRU_Transitions"/>
<component_ref component="CaRU_states"/>
<component_ref component="CaRU_reduced_states"/>
<component_ref component="DS_Calcium_Concentrations"/>
<component_ref component="LCC_and_RyR_fluxes"/>
<component_ref component="RyR_current"/>
<component_ref component="LCC_current"/>
</component_ref>
</group>
<connection>
<map_components component_1="membrane" component_2="environment"/>
<map_variables variable_1="time" variable_2="time"/>
</connection>
<connection>
<map_components component_1="pandit_sodium_current" component_2="environment"/>
<map_variables variable_1="time" variable_2="time"/>
</connection>
<connection>
<map_components component_1="pandit_Ca_independent_transient_outward_K_current" component_2="environment"/>
<map_variables variable_1="time" variable_2="time"/>
</connection>
<connection>
<map_components component_1="pandit_steady_state_outward_K_current" component_2="environment"/>
<map_variables variable_1="time" variable_2="time"/>
</connection>
<connection>
<map_components component_1="pandit_hyperpolarisation_activated_current" component_2="environment"/>
<map_variables variable_1="time" variable_2="time"/>
</connection>
<connection>
<map_components component_1="hinch_CaRU" component_2="environment"/>
<map_variables variable_1="time" variable_2="time"/>
</connection>
<connection>
<map_components component_1="environment" component_2="intracellular_ion_concentrations"/>
<map_variables variable_1="time" variable_2="time"/>
</connection>
<connection>
<map_components component_1="membrane" component_2="intracellular_ion_concentrations"/>
<map_variables variable_1="I_Stim" variable_2="I_Stim"/>
<map_variables variable_1="F" variable_2="F"/>
</connection>
<connection>
<map_components component_1="pandit_sodium_current" component_2="membrane"/>
<map_variables variable_1="i_Na" variable_2="I_Na"/>
<map_variables variable_1="F" variable_2="F"/>
<map_variables variable_1="V" variable_2="V"/>
<map_variables variable_1="R" variable_2="R"/>
<map_variables variable_1="T" variable_2="T"/>
</connection>
<connection>
<map_components component_1="pandit_Ca_independent_transient_outward_K_current" component_2="membrane"/>
<map_variables variable_1="i_t" variable_2="I_t"/>
<map_variables variable_1="F" variable_2="F"/>
<map_variables variable_1="V" variable_2="V"/>
<map_variables variable_1="R" variable_2="R"/>
<map_variables variable_1="T" variable_2="T"/>
</connection>
<connection>
<map_components component_1="pandit_steady_state_outward_K_current" component_2="membrane"/>
<map_variables variable_1="i_ss" variable_2="I_ss"/>
<map_variables variable_1="V" variable_2="V"/>
</connection>
<connection>
<map_components component_1="pandit_inward_rectifier" component_2="membrane"/>
<map_variables variable_1="i_K1" variable_2="I_K1"/>
<map_variables variable_1="F" variable_2="F"/>
<map_variables variable_1="V" variable_2="V"/>
<map_variables variable_1="R" variable_2="R"/>
<map_variables variable_1="T" variable_2="T"/>
</connection>
<connection>
<map_components component_1="pandit_hyperpolarisation_activated_current" component_2="membrane"/>
<map_variables variable_1="i_f" variable_2="I_f"/>
<map_variables variable_1="V" variable_2="V"/>
</connection>
<connection>
<map_components component_1="pandit_background_currents" component_2="membrane"/>
<map_variables variable_1="i_B_Na" variable_2="I_B_Na"/>
<map_variables variable_1="i_B_K" variable_2="I_B_K"/>
<map_variables variable_1="V" variable_2="V"/>
</connection>
<connection>
<map_components component_1="pandit_sodium_potassium_pump" component_2="membrane"/>
<map_variables variable_1="i_NaK" variable_2="I_NaK"/>
<map_variables variable_1="F" variable_2="F"/>
<map_variables variable_1="V" variable_2="V"/>
<map_variables variable_1="R" variable_2="R"/>
<map_variables variable_1="T" variable_2="T"/>
</connection>
<connection>
<map_components component_1="hinch_CaRU" component_2="membrane"/>
<map_variables variable_1="V" variable_2="V"/>
<map_variables variable_1="FVRT_Ca" variable_2="FVRT_Ca"/>
</connection>
<connection>
<map_components component_1="hinch_Na_Ca_Exchanger" component_2="membrane"/>
<map_variables variable_1="FVRT" variable_2="FVRT"/>
</connection>
<connection>
<map_components component_1="hinch_Background_Ca_current" component_2="membrane"/>
<map_variables variable_1="V" variable_2="V"/>
<map_variables variable_1="R" variable_2="R"/>
<map_variables variable_1="T" variable_2="T"/>
<map_variables variable_1="F" variable_2="F"/>
</connection>
<connection>
<map_components component_1="pandit_sodium_current" component_2="intracellular_ion_concentrations"/>
<map_variables variable_1="i_Na" variable_2="I_Na"/>
<map_variables variable_1="Na_i" variable_2="Na_i"/>
</connection>
<connection>
<map_components component_1="pandit_Ca_independent_transient_outward_K_current" component_2="intracellular_ion_concentrations"/>
<map_variables variable_1="i_t" variable_2="I_t"/>
<map_variables variable_1="K_i" variable_2="K_i"/>
</connection>
<connection>
<map_components component_1="pandit_steady_state_outward_K_current" component_2="intracellular_ion_concentrations"/>
<map_variables variable_1="i_ss" variable_2="I_ss"/>
</connection>
<connection>
<map_components component_1="pandit_inward_rectifier" component_2="intracellular_ion_concentrations"/>
<map_variables variable_1="i_K1" variable_2="I_K1"/>
<map_variables variable_1="K_i" variable_2="K_i"/>
</connection>
<connection>
<map_components component_1="pandit_hyperpolarisation_activated_current" component_2="intracellular_ion_concentrations"/>
<map_variables variable_1="i_f_Na" variable_2="I_f_Na"/>
<map_variables variable_1="i_f_K" variable_2="I_f_K"/>
</connection>
<connection>
<map_components component_1="pandit_background_currents" component_2="intracellular_ion_concentrations"/>
<map_variables variable_1="i_B_Na" variable_2="I_B_Na"/>
<map_variables variable_1="i_B_K" variable_2="I_B_K"/>
</connection>
<connection>
<map_components component_1="pandit_sodium_potassium_pump" component_2="intracellular_ion_concentrations"/>
<map_variables variable_1="i_NaK" variable_2="I_NaK"/>
<map_variables variable_1="Na_i" variable_2="Na_i"/>
</connection>
<connection>
<map_components component_1="pandit_sodium_current" component_2="pandit_standard_ionic_concentrations"/>
<map_variables variable_1="Na_o" variable_2="Na_o"/>
</connection>
<connection>
<map_components component_1="pandit_Ca_independent_transient_outward_K_current" component_2="pandit_standard_ionic_concentrations"/>
<map_variables variable_1="K_o" variable_2="K_o"/>
</connection>
<connection>
<map_components component_1="pandit_inward_rectifier" component_2="pandit_standard_ionic_concentrations"/>
<map_variables variable_1="K_o" variable_2="K_o"/>
</connection>
<connection>
<map_components component_1="pandit_sodium_potassium_pump" component_2="pandit_standard_ionic_concentrations"/>
<map_variables variable_1="K_o" variable_2="K_o"/>
<map_variables variable_1="Na_o" variable_2="Na_o"/>
</connection>
<connection>
<map_components component_1="pandit_Ca_independent_transient_outward_K_current" component_2="pandit_steady_state_outward_K_current"/>
<map_variables variable_1="E_K" variable_2="E_K"/>
</connection>
<connection>
<map_components component_1="pandit_Ca_independent_transient_outward_K_current" component_2="pandit_inward_rectifier"/>
<map_variables variable_1="E_K" variable_2="E_K"/>
</connection>
<connection>
<map_components component_1="pandit_Ca_independent_transient_outward_K_current" component_2="pandit_hyperpolarisation_activated_current"/>
<map_variables variable_1="E_K" variable_2="E_K"/>
</connection>
<connection>
<map_components component_1="pandit_Ca_independent_transient_outward_K_current" component_2="pandit_background_currents"/>
<map_variables variable_1="E_K" variable_2="E_K"/>
</connection>
<connection>
<map_components component_1="pandit_sodium_current" component_2="pandit_hyperpolarisation_activated_current"/>
<map_variables variable_1="E_Na" variable_2="E_Na"/>
</connection>
<connection>
<map_components component_1="pandit_sodium_current" component_2="pandit_background_currents"/>
<map_variables variable_1="E_Na" variable_2="E_Na"/>
</connection>
<connection>
<map_components component_1="cell_geometry" component_2="intracellular_ion_concentrations"/>
<map_variables variable_1="V_myo_uL" variable_2="V_myo_uL"/>
<map_variables variable_1="V_SR_uL" variable_2="V_SR_uL"/>
</connection>
<connection>
<map_components component_1="cell_geometry" component_2="hinch_CaRU"/>
<map_variables variable_1="V_myo" variable_2="V_myo"/>
</connection>
<connection>
<map_components component_1="cell_geometry" component_2="convert_hinch"/>
<map_variables variable_1="V_myo_uL" variable_2="V_myo_uL"/>
</connection>
<connection>
<map_components component_1="hinch_CaRU" component_2="convert_hinch"/>
<map_variables variable_1="I_LCC" variable_2="hinch_I_LCC"/>
<map_variables variable_1="I_RyR" variable_2="hinch_I_RyR"/>
</connection>
<connection>
<map_components component_1="hinch_Na_Ca_Exchanger" component_2="convert_hinch"/>
<map_variables variable_1="I_NaCa" variable_2="hinch_I_NaCa"/>
</connection>
<connection>
<map_components component_1="hinch_Sarcolemmal_Ca_pump" component_2="convert_hinch"/>
<map_variables variable_1="I_pCa" variable_2="hinch_I_pCa"/>
</connection>
<connection>
<map_components component_1="hinch_Background_Ca_current" component_2="convert_hinch"/>
<map_variables variable_1="I_CaB" variable_2="hinch_I_CaB"/>
</connection>
<connection>
<map_components component_1="hinch_calmodulin_Ca_buffer" component_2="intracellular_ion_concentrations"/>
<map_variables variable_1="beta_CMDN" variable_2="beta_CMDN"/>
<map_variables variable_1="Ca_i" variable_2="Ca_i"/>
</connection>
<connection>
<map_components component_1="convert_hinch" component_2="intracellular_ion_concentrations"/>
<map_variables variable_1="I_LCC" variable_2="I_LCC"/>
<map_variables variable_1="I_RyR" variable_2="I_RyR"/>
<map_variables variable_1="I_NaCa" variable_2="I_NaCa"/>
<map_variables variable_1="I_pCa" variable_2="I_pCa"/>
<map_variables variable_1="I_CaB" variable_2="I_CaB"/>
</connection>
<connection>
<map_components component_1="convert_hinch" component_2="membrane"/>
<map_variables variable_1="I_NaCa" variable_2="I_NaCa"/>
<map_variables variable_1="I_LCC" variable_2="I_LCC"/>
<map_variables variable_1="I_pCa" variable_2="I_pCa"/>
<map_variables variable_1="I_CaB" variable_2="I_CaB"/>
<map_variables variable_1="F" variable_2="F"/>
</connection>
<connection>
<map_components component_1="hinch_CaRU" component_2="intracellular_ion_concentrations"/>
<map_variables variable_1="Ca_i" variable_2="Ca_i"/>
<map_variables variable_1="Ca_SR" variable_2="Ca_SR"/>
</connection>
<connection>
<map_components component_1="hinch_Na_Ca_Exchanger" component_2="intracellular_ion_concentrations"/>
<map_variables variable_1="Ca_i" variable_2="Ca_i"/>
<map_variables variable_1="Na_i" variable_2="Na_i"/>
</connection>
<connection>
<map_components component_1="hinch_SERCA" component_2="intracellular_ion_concentrations"/>
<map_variables variable_1="Ca_i" variable_2="Ca_i"/>
<map_variables variable_1="I_SERCA" variable_2="I_SERCA"/>
</connection>
<connection>
<map_components component_1="hinch_Sarcolemmal_Ca_pump" component_2="intracellular_ion_concentrations"/>
<map_variables variable_1="Ca_i" variable_2="Ca_i"/>
</connection>
<connection>
<map_components component_1="hinch_Background_Ca_current" component_2="intracellular_ion_concentrations"/>
<map_variables variable_1="Ca_i" variable_2="Ca_i"/>
</connection>
<connection>
<map_components component_1="hinch_SR_Ca_leak_current" component_2="intracellular_ion_concentrations"/>
<map_variables variable_1="Ca_i" variable_2="Ca_i"/>
<map_variables variable_1="Ca_SR" variable_2="Ca_SR"/>
<map_variables variable_1="I_SR" variable_2="I_SR"/>
</connection>
<connection>
<map_components component_1="hinch_CaRU" component_2="pandit_standard_ionic_concentrations"/>
<map_variables variable_1="Ca_o" variable_2="Ca_o"/>
</connection>
<connection>
<map_components component_1="hinch_Na_Ca_Exchanger" component_2="pandit_standard_ionic_concentrations"/>
<map_variables variable_1="Ca_o" variable_2="Ca_o"/>
<map_variables variable_1="Na_o" variable_2="Na_o"/>
</connection>
<connection>
<map_components component_1="hinch_Background_Ca_current" component_2="pandit_standard_ionic_concentrations"/>
<map_variables variable_1="Ca_o" variable_2="Ca_o"/>
</connection>
<connection>
<map_components component_1="pandit_sodium_current" component_2="sodium_current_m_gate"/>
<map_variables variable_1="m" variable_2="m"/>
<map_variables variable_1="time" variable_2="time"/>
<map_variables variable_1="V" variable_2="V"/>
</connection>
<connection>
<map_components component_1="pandit_sodium_current" component_2="sodium_current_h_gate"/>
<map_variables variable_1="h" variable_2="h"/>
<map_variables variable_1="time" variable_2="time"/>
<map_variables variable_1="V" variable_2="V"/>
</connection>
<connection>
<map_components component_1="pandit_sodium_current" component_2="sodium_current_j_gate"/>
<map_variables variable_1="j" variable_2="j"/>
<map_variables variable_1="time" variable_2="time"/>
<map_variables variable_1="V" variable_2="V"/>
</connection>
<connection>
<map_components component_1="pandit_Ca_independent_transient_outward_K_current" component_2="Ca_independent_transient_outward_K_current_r_gate"/>
<map_variables variable_1="r" variable_2="r"/>
<map_variables variable_1="time" variable_2="time"/>
<map_variables variable_1="V" variable_2="V"/>
</connection>
<connection>
<map_components component_1="pandit_Ca_independent_transient_outward_K_current" component_2="Ca_independent_transient_outward_K_current_s_gate"/>
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<vCard:Given xmlns:vCard="http://www.w3.org/2001/vcard-rdf/3.0#">Nicolas</vCard:Given>
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<dcterms:W3CDTF xmlns:dcterms="http://purl.org/dc/terms/">2008-08-06T12:44:02+12:00</dcterms:W3CDTF>
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<rdf:value>Added CellML 1.0 model to version 01's documentation.
Added some cmeta:ids to variables</rdf:value>
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<dcterms:W3CDTF xmlns:dcterms="http://purl.org/dc/terms/">2008-07-15T00:00:00+00:00</dcterms:W3CDTF>
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