1. Yildirim Beyazit University, Faculty of Medicine, Department of Psychiatry, Ankara - Turkey
2. Bakirkoy Training and Research Hospital for Psychiatry, Neurology and Neurosurgery, Istanbul - Turkey
3. Bakirkoy Training and Research Hospital for Psychiatry, Neurology and Neurosurgery, Alcohol and Drug Research, Treatment and Training Center (AMATEM), Istanbul - Turkey