1. Department of Physical Medicine and Rehabilitation, King Fahad Medical City, Riyadh 11525, Saudi Arabia
2. Department of Physical Medicine and Rehabilitation, Qatar Rehabilitation Institute, Doha P.O. Box 3050, Qatar
3. Department of Rehabilitation Medicine, PNS Shifa Hospital, Karachi 75530, Pakistan
4. College of Nursing, QU Health, Qatar University, Doha P.O. Box 2713, Qatar
5. Department of Orthopedics, King Saud University Medical City, Riyadh 12372, Saudi Arabia