1. Department of Neurosurgery, Sivas Numune Hospital, Sivas, Turkey
2. Department of Neurosurgery, University of Health Sciences, Kartal Dr. Lutfi Kırdar Education and Research Hospital, Istanbul, Turkey
3. Faculty of Medicine, Department of Physiology, Biruni University, Istanbul, Turkey
4. Department of Medical Laboratory, Marmara University Vocational School of Health-Related Services, Istanbul, Turkey
5. Department of Medical Biology, Marmara University School of Medicine, Istanbul, Turkey
6. Department of Histology and Embryology, Marmara University School of Medicine, Istanbul, Turkey
7. Department of Physiology, Marmara University School of Medicine, Istanbul, Turkey
8. Department of Neurosurgery, University of Health Sciences, Fatih Sultan Mehmet Education and Research Hospital, Istanbul, Turkey
9. Faculty of Medicine, Department of Neurosurgery, Istinye University, Istanbul, Turkey