1. Department of Radiology, Sakarya Training and Research Hospital, Sakarya, Turkey.
2. Department of Dermatolgy, Sakarya Training and Research Hospital, Sakarya, Turkey.
3. Department of Neurosurgery, Sakarya Training and Research Hospital, Sakarya, Turkey.
4. Department of Neurosurgery, Alanya Hospital, Antalya, Turkey.