1. Division of Physical Therapy, School of Medicine, West Virginia University, Room 8304, 1 Medical Center Dr, Health Sciences Center, PO Box 9226, Morgantown, WV 26506 (USA)
2. Department of Physical Therapy, King Fahad Specialist Hospital, Dammam, Saudi Arabia
3. Department of Physical Therapy, School of Health and Rehabilitation Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania
4. Department of Physical Therapy, Faculty of Rehabilitation Medicine, University of Alberta, Edmonton, Alberta, Canada
5. FAPTA, Department of Physical Therapy, School of Health and Rehabilitation Sciences, University of Pittsburgh