1. Hacettepe University, Faculty of Medicine, Department of Orthopaedics and Traumatology, Department of Sports Medicine, Ankara, Turkey
2. Konya N.E. University, Meram Faculty of Medicine, Department of Orthopaedics and Traumatology, Department of Sports Medicine, Konya, Turkey
3. Hacettepe University, Faculty of Medicine, Department of Orthopaedics and Traumatology, Ankara, Turkey
4. Ghent University, Faculty of Medicine, Department of Orthopaedics and Traumatology, De Pintelaan, Ghent, Belgium