1. Physiotherapy and Rehabilitation Division, Faculty of Health Sciences, Istanbul Kultur University, Turkey
2. Institute of Biomedical Engineering, Bogazici University, Istanbul, Turkey
3. Istanbul University, Institute of Health Sciences, Istanbul, Turkey
4. Division of Orthopedics and Traumatology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
5. Statistics Division, Department of Public Health, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
6. Roessingh Rehabilitation Center, Netherlands