1. Department of Rehabilitation Sciences, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia
2. Department of Physical Therapy and Rehabilitation Science, University of Kansas Medical Center, Lawrence, Kansas, USA
3. Department of Rehabilitation Sciences and Physical Therapy, Prince Sattam Bin Abdulaziz University, Alkharj, Saudi Arabia
4. Department of Orthopaedics, College of Medicine, King Saud University, Riyadh, Saudi Arabia