1. Department of Neurosurgery, Ondokuz Mayis University, School of Medicine, Samsun, Turkey;
2. Department of Neurosurgery, University of Health Sciences, Bakirkoy Prof. Dr. Mazhar Osman Training and Research Hospital for Neurology, Neurosurgery and Psychiatry, Istanbul, Turkey;
3. Department of Neurosurgery, Ankara University, School of Medicine, Ankara, Turkey;
4. Department of Neurosurgery, Hacettepe University, School of Medicine, Ankara, Turkey;
5. Department of Neurosurgery, University of Health Sciences, Umraniye Teaching and Research Hospital, İstanbul, Turkey;
6. Department of Neurosurgery, General University Hospital Alicante, Alicante, Spain;
7. Department of Neurosurgery, Indiana University School of Medicine, Indianapolis, Indiana, USA;
8. The Neurosurgical Atlas, Carmel, Indianapolis, Indiana, USA;
9. Department of Neurosurgery, Microsurgical Neuroanatomy Laboratory, Yeditepe University School of Medicine, Istanbul, Turkey