1. Department of Neurosurgery, School of Medicine, Kocaeli University, Kocaeli, Turkey
2. Department of Pathology, School of Medicine, Kocaeli University, Kocaeli, Turkey
3. Department of Pediatrics, School of Medicine, Kocaeli University, Kocaeli, Turkey
4. Department of Radiology, School of Medicine, Kocaeli University, Kocaeli, Turkey