1. Sisli Hamidiye Etfal Training and Research Hospital, Psychiatry Service, Istanbul - Turkey
2. Necip Fazıl City Hospital, Department of Orthopedics, Kahramanmaraş - Turkey
3. University of İstanbul, Institute of Oncology, Department of Anaesthesiology and Reanimation, Istanbul - Turkey
4. University of İstanbul, Medical Faculty of Cerrahpasa, Department of Psychiatry, Istanbul - Turkey