1. Department of Child and Adolescent Psychiatry, Uludag University School of Medicine, Bursa, Turkey
2. Sahlgrenska Universitetssjukhuset, Goteborg, Sweden
3. Department of Child and Adolescent Psychiatry, University of Health Sciences, Bakirkoy Prof Dr Mazhar Osman Research and Training Hospital for Psychiatry, Neurology and Neurosurgery, Istanbul, Turkey
4. Department of Child and Adolescent Psychiatry, Dokuz Eylul University School of Medicine, İzmir, Turkey
5. Mardin State Hospital, Mardin, Turkey
6. Department of Psychiatry, Psychotic Disorders Research Program, Istanbul Faculty of Medicine, Istanbul, Turkey