1. 2nd Department of Medicine—Department of Cardiovascular Medicine, First Faculty of Medicine, Charles University in Prague and General University Hospital, Prague, Czech Republic
2. Emergency Medical Service, Prague, Czech Republic
3. Department of Anesthesiology, Resuscitation and Intensive Medicine, First Faculty of Medicine, Charles University in Prague and General University Hospital, Prague, Czech Republic
4. Czech Institute of Informatics, Robotics and Cybernetics (CIIRC), Czech Technical University, Prague, Czech Republic.
5. Institute of Biostatistics and Analyses, Faculty of Medicine, Masaryk University, Brno, Czech Republic
6. 3rd Department of Medicine, First Faculty of Medicine, Charles University in Prague and General University Hospital, Prague, Czech Republic
7. 2nd Department of Surgery, Cardiovascular Surgery, First Faculty of Medicine, Charles University in Prague and General University Hospital, Prague, Czech Republic
8. Department of Neurology, First Faculty of Medicine, Charles University in Prague and General University Hospital, Prague, Czech Republic
9. Long-term Intensive Care Unit, Etoile, Prague, Czech Republic
10. Department of Probability and Mathematical Statistics, Faculty of Mathematics and Physics, Charles University in Prague, Prague, Czech Republic
11. for the Prague OHCA Study Group