1. Department of Neurosurgery, Sultan Abdülhamid Han Training and Research Hospital, Istanbul, Turkey
2. Department of Neurosurgery, Dokuz Eylul University School of Medicine, Izmir, Turkey
3. Department of Neurosurgery, Kutahya Health Science University, Kutahya, Turkey
4. Department of Radiology, Osmangazi University School of Medicine, Eskisehir, Turkey
5. Department of anatomy, Kutahya Health Science University, Kutahya, Turkey
6. Department of Pathology, Forensic Medicine Institution, Izmir, Turkey
7. Department of Radiology, Dokuz Eylül University School of Medicine, Izmir, Turkey
8. Department of Neurosurgery, Katip Celebi University Atatürk Training and Research Hospital, Izmir, Turkey