1. Department of Physical Therapy, University of Pittsburgh School of Health and Rehabilitation Sciences, Pennsylvania, USA
2. Penn Presbyterian Medical Center, Philadelphia, Pennsylvania, USA
3. Department of Medicine, Division of General Internal Medicine, University of Pittsburgh School of Medicine, Pennsylvania, USA
4. Center for Health Equity Research and Promotion, Veterans Affairs Pittsburgh Healthcare System, Pennsylvania, USA
5. School of Health Professions, SUNY Downstate Health Sciences University, Brooklyn, New York, USA