1. Frank Reidy Research Center for Bioelectrics, Old Dominion UniversityNorfolk Virginia
2. Laboratory of Cardiac Physiology, Institute of Physiology, Komi Science Center, Ural Branch, Russian Academy of SciencesSyktyvkar Russia
3. Department of PhysiologyMedical Institute of Pitirim Sorokin Syktyvkar State UniversitySyktyvkar Russia