1. Department of Orthopaedics and Traumatology
2. Department of Neurosurgery, Emsey Hospital, Istanbul
3. Faculty of Medicine, Department of Orthopaedics and Traumatology, Sakarya University, Sakarya
4. Faculty of Medicine, Department of Orthopaedics and Traumatology, Bandirma Onyedi Eylül University, Bandirma
5. Faculty of Medicine, Department of Public Health, Kütahya Health Sciences University, Kütahya, Turkey