1. Department of Physical Therapy, Faculty of Rehabilitation Sciences, The University of Jordan, Amman, Jordan
2. College of Applied Medical Sciences, King Saud University Riyadh, Saudi Arabia
3. ORL-HNS Department, College of Medicine, King Saud University Riyadh, Saudi Arabia
4. Department of Physical Therapy, School of Health and Rehabilitation Sciences, University of Pittsburgh, Pittsburgh, PA, USA
5. Department of Rehabilitation Sciences, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia