1. Cardiocenter, Third Faculty of Medicine Charles University and University Hospital Kralovske Vinohrady Prague Czech Republic
2. Institute of Scientific Instruments, Czech Academy of Sciences Brno Czech Republic
3. Department of Physiology Cardiovascular Research Institute Maastricht Maastricht the Netherlands
4. Department of Anesthesia and Intensive Care Charles University and University Hospital Kralovske Vinohrady Prague Czech Republic
5. Department of Biomedical Engineering, Faculty of Electrical Engineering and Communication Brno University of Technology Brno Czech Republic
6. International Clinical Research Center St. Anne's University Hospital Brno Czech Republic