1. University of Health Sciences Turkey, Kanuni Sultan Süleyman Training and Research Hospital, Clinic of Neurosurgery, İstanbul, Turkey

2. Necmettin Erbakan University Meram Faculty of Medicine, Department of Neurosurgery, Konya, Turkey

3. Necmettin Erbakan University Meram Faculty of Medicine, Department of Histology and Embryology, Konya, Turkey

4. Bahçeşehir University Faculty of Medicine, Department of Neurosurgery, İstanbul, Turkey

5. İstanbul University Faculty of Medicine, Department of Neurosurgery, İstanbul, Turkey

6. Selçuk University Faculty of Medicine, Department of Biochemistry, Konya, Turkey