1. Medical Faculty, University of Novi Sad, Hajduk Vejkova 3, 21000 Novi Sad, Serbia
2. Clinics of Psichiatry, University Clinical Centre of Vojvodina, Hajduk Veljkova 4, 21000 Novi Sad, Serbia
3. PMF Kragujevac, University of Kragujevac, Radoja Domanovića 14, 34111 Kragujevac, Serbia
4. Clinics of Medical Rehabilitation, University Clinical Centre of Vojvodina, Hajduk Veljkova 4, 21000 Novi Sad, Serbia