1. Department of Psychiatry, Siverek State Hospital, Sanliurfa, Turkey
2. Harris County Psychiatric Center, University of Texas Health Science Center at Houston, TX, USA
3. Department of Psychiatry, Faculty of Medicine, University of Harran, Sanliurfa, Turkey
4. Department of Psychiatry, Çumra State Hospital, Konya, Turkey
5. Department of Clinical Biochemistry, Faculty of Medicine, University of Harran, Sanliurfa, Turkey