1. Department of Psychiatry, Medical Faculty, Ataturk University, Erzurum, Turkey;
2. Department of Psychiatry, Bakirkoy Prof. Dr. Mazhar Osman Mental Health and Neurological Diseases Education and Research Hospital, Istanbul, Turkey;
3. Department of Neurosurgery, Medical Faculty, Ataturk University, Erzurum, Turkey;
4. Department of Psychiatry, Medical Faculty, İzmir Katip Çelebi University, İzmir, Turkey;
5. Department of Pathology, Ataturk University, Erzurum, Turkey;
6. Department of Pathology, Medical Faculty, Giresun University, Giresun, Turkey;
7. Department of Pharmacology, Medical Faculty, University of Ataturk, Erzurum, Turkey