1. Department of Physiology; Faculty of Medicine; Abant Izzet Baysal University; Bolu Turkey
2. Department of Neurosurgery; Faculty of Medicine; Abant Izzet Baysal University; Bolu Turkey
3. Department of Histology and Embryology; Faculty of Medicine; Near East University; Nicosia Cyprus
4. Department of Physiology; Faculty of Medicine; Yeditepe University; Istanbul Turkey
5. Department of Physiology; Faculty of Medicine; Biruni University; Istanbul Turkey