1. Department of Physical Medicine and Rehabilitation, School of Medicine, Virginia Commonwealth University, Richmond, Virginia, USA
2. Research Department, Sheltering Arms Institute, Richmond, Virginia, USA
3. Center for Health Equity Research, Northern Arizona University, Flagstaff, Arizona, USA
4. Physical Therapy Department, Creighton University, Phoenix, Arizona, USA
5. Department of Physical Therapy and Athletic Training, University of Utah, Salt Lake City, Utah, USA