1. Orthopaedics and Traumatology Clinic, Sancaktepe Şehit Prof. Dr. İlhan Varank Training and Research Hospital İstanbul Turkey
2. Orthopaedics and Traumatology Clinic, Ankara Bilkent City Hospital Ankara Turkey
3. Orthopaedics and Traumatology Clinic, Yüksekova State Hospital Hakkari Turkey
4. General Surgery Clinic, Tuzla State Hospital, Ankara City Hospital İstanbul Turkey