1. Department of Rehabilitation Health Sciences, College of Applied Medical Sciences, King Saud University: Building 24, Office 2083, PO Box 10219, Riyadh 11433, Kingdom of Saudi Arabia
2. Salman Bin Abdulaziz University, Kingdom of Saudi Arabia
3. Department of Orthopaedic, King Saud University, Kingdom of Saudi Arabia
4. Cairo University Hospital, Egypt
5. Jamia Hamdard University, India