1. Department of Physical Therapy, Faculty of Medical Rehabilitation Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
2. Department of Epidemiology, University of Delaware, Newark, Delaware, USA
3. Department of Physical Therapy, College of Health Sciences, University of Delaware, Newark, Delaware, USA
4. Biomechanics and Movements Science Program, University of Delaware, Newark, Delaware, USA
5. Department of Kinesiology and Applied Physiology, University of Delaware, Newark, Delaware, USA