1. Dr Laza Lazarević Clinic for Mental Disorders, Belgrade, Serbia + University in Priština - Kosovska Mitrovica, Faculty of Medicine, Kosovska Mitrovica, Serbia
2. University in Priština - Kosovska Mitrovica, Faculty of Medicine, Kosovska Mitrovica, Serbia
3. Dr Laza Lazarević Clinic for Mental Disorders, Belgrade, Serbia
4. University in Belgrade, Faculty of Medicine, Belgrade, Serbia