Leonid Livshitz participated in the 4th International Symposium of Cell/Biodynamics Simulation Project. The symposium took place in Kyoto, Japan, November 12-13, 2007. He also delivered an invited presentation “Regulation of calcium and electrical alternans in cardiac myocytes” in the department of Physics of Kyoto University, November 15, 2007 and the department of Bio-Medical Eng. in Technion, Israel institute of Technology, Haifa, November 25, 2007.