1. First Department of Psychiatry, Faculty of Medicine, P.J. Safarik University, Kosice, Slovakia
2. Department of Pharmacology, Faculty of Medicine, P.J. Safarik University, Kosice, Slovakia
3. Psychiatry Outpatient Department, Air Force Military Hospital, Kosice, Slovakia
4. Department of Health Psychology – Institute of Public Health, Faculty of Medicine, P.J. Safarik University, Kosice, Slovakia