1. Faculty of Health Sciences, Department of Physical Therapy and Rehabilitation, Atatürk University, Erzurum, Turkey
2. Faculty of Physical Therapy and Rehabilitation, Hacettepe University, Ankara, Turkey
3. Vocational School of Health Services, Physiotherapy Program, Bartın University, Bartın, Turkey
4. Department of Biostatistics, Faculty of Medicine, Hacettepe University, Ankara, Turkey