1. Department of Physical Medicine and Rehabilitation, School of Medicine, Koc University, Istanbul, Turkey
2. Physical Medicine and Rehabilitation Unit, Fatih Sultan Mehmet Training and Research Hospital, University of Health Sciences, Istanbul, Turkey
3. Physical Medicine and Rehabilitation Unit, Gaziosmanpasa Training and Research Hospital, University of Health Sciences, Istanbul, Turkey
4. Department of Public Health, School of Medicine, Koc University, Istanbul, Turkey