1. Physiotherapy Department, Faculty of Applied Medical Sciences, Umm Al-Qura University: PO Box 715, Postal Code 21421, Umm Al-Qura University, Makkah, Saudi Arabia
2. Department of Basic Sciences, Faculty of Physical Therapy, Cairo University, Egypt
3. Department of Physical Therapy, Faculty of Applied Medical Sciences, King Abdul Aziz University, Saudi Arabia
4. College of Medicine and Health, University College Cork, Ireland
5. Department of Health Rehabilitation Sciences, College of Applied Medical Sciences, King Saud University, Saudi Arabia