1. 2nd Department of Medicine, Department of Cardiovascular Medicine, First Faculty of Medicine Charles University and General University Hospital Prague Czech Republic
2. Data Analysis Department Institute of Biostatistics and Analysis Brno Czech Republic
3. Department of Radiology, First Faculty of Medicine Charles University and General University Hospital Prague Czech Republic
4. Actelion Pharmaceuticals Ltd. Allschwil Switzerland
5. Department of Anesthesiology and Intensive Care, First Faculty of Medicine Charles University and General University Hospital Prague Czech Republic
6. Janssen Pharmaceutical Companies of Johnson & Johnson Solna Sweden
7. 2nd Department of Surgery, Department of Cardiovascular Surgery Charles University and General University Hospital Prague Czech Republic