1. Department of Physical Therapy and the Integrative Physiology Laboratory, College of Applied Health Sciences, University of Illinois at Chicago, Chicago, IL, USA
2. School of Physical Therapy, South College, Knoxville, TN, USA
3. Faculty of Physical Therapy, Cairo University, Giza, Egypt
4. Doctor of Physical Therapy Program, Robbins College of Health and Human Sciences, Baylor University, Waco, TX, USA