1. Neurosurgery, Ministry of Health Midyat State Hospital, Mardin, Turkey
2. Department of Neurosurgery, Microsurgical Neuroanatomy Laboratory, Istanbul University-Cerrahpasa Cerrahpasa Faculty of Medicine, Istanbul, Turkey
3. Neurosurgery, Istanbul University-Cerrahpasa Cerrahpasa Faculty of Medicine, Istanbul, Turkey
4. Neurosurgery, Medicana International Istanbul Hospital, Istanbul, Turkey