1. Koc University School of Medicine Department of Neurosurgery, Istanbul, Turkey
2. Manisa Celal Bayar University School of Medicine Neurosurgery Department, Manisa, Turkey
3. Ömer Halisdemir University School of Medicine Histology-Embryology Department, Niğde, Turkey
4. Manisa Celal Bayar University School of Medicine Histology-Embryology Department, Manisa, Turkey