1. University of Niš, Faculty of Medicine, Department of Psychiatry, Niš, Serbia + Clinical Center Niš, Center for Mental Health Protection, Department for Diagnostics and Treatment, Niš, Serbia
2. University of Niš,Faculty of Medicine, Department of Internal Medicine, Niš, Serbia + Institute for Therapy and Rehabilitation, Niška Banja, Serbia
3. University of Niš, Faculty of Medicine, Department of Psychiatry, Niš, Serbia
4. University of Niš, Faculty of Medicine, Department of Physiology, Niš, Serbia
5. University of Niš, Faculty of Medicine, Department of Psychiatry, Niš, Serbia + Center for Mental Health Protection, Department of Pediatric and Adolescent Psychiatry, Niš, Serbia