1. Department of Anesthesiology and Intensive Care Medicine; Faculty of Medicine Hradec Kralove; University Hospital Hradec Kralove; Charles University in Prague; Czech Republic
2. Department of Anesthesiology and Intensive Care Medicine; University Hospital Ostrava; Czech Republic
3. Department of Anaesthesia; Pain Management and Perioperative Medicine; Dalhousie University; Halifax NS Canada
4. Department of Research and Development; University Hospital Hradec Kralove; Czech Republic