1. Second Department of Medicine - Department of Cardiovascular Medicine, First Faculty of Medicine, Charles University, Prague - Czech Republic
2. Institute of Physiology, First Faculty of Medicine, Charles University, Prague - Czech Republic
3. Gerstner Laboratory, Department of Cybernetics, Electrotechnical Faculty, Czech Technical University, Prague - Czech Republic
4. Second Department of Surgery - Department of Cardiovascular Surgery, First Faculty of Medicine, Charles University, Prague - Czech Republic