1. Department of Anestesiology, Resuscitation and Intensive Medicine, Pain Management Center, First Faculty of Medicine, General University Hospital, Charles University, Prague, Czech Republic
2. Department of Rehabilitation Medicine, General University Hospital, First Faculty of Medicine, Charles University, Prague, Czech Republic
3. Department of Psychiatry, General University Hospital, First Faculty of Medicine, Charles University, Prague, Czech Republic
4. Department of Physiology, Third Faculty of Medicine, Charles University, Prague, Czech Republic
5. Department of Neurosurgery, Military Faculty Hospital, Charles University in Prague, Prague, Czech Republic