The canine model with signalling from 
The implementation was verified by comparing the derivatives calculated for several starting points with those calculated from the original matlab code .
 Heijman, Volders, Westra and Rudy (2011) Local control of beta-adrenergic stimulation: Effects on ventricular myocyte electrophysiology and Ca2+-transient. Journal of Molecular and Cellular Cardiology. Volume 50, Issue 5, May 2011, Pages 863-871. https://doi.org/10.1016/j.yjmcc.2011.02.007
 The matlab code published for  and , which was downloaded from the rudylab website: http://rudylab.wustl.edu