1. University of Health Sciences Turkey, İstanbul Training and Research Hospital, Clinic of Orthopaedics and Traumatology, İstanbul, Turkey

2. University Hospital Wishaw, Clinic of Orthopaedics and Traumatology, Wishow, Nhs Lanarkshire, United Kingdom

3. VM Medical Park Hospital, Clinic of Orthopaedics and Traumatology, Samsun, Turkey

4. Sakarya University Training and Research Hospital, Clinic of Orthopaedics and Traumatology, Sakarya, Turkey

5. Ortopedkliniken Mälarsjukhuset, Department of Orthopaedics and Traumatology, Eskilstuna, Sweden