1. Creighton University Department of Physical Therapy, School of Pharmacy and Health Professions, , Omaha, Nebraska, USA
2. School of Medicine, University of Colorado, Anschutz Medical Campus Department of Physical Medicine and Rehabilitation, , Aurora, Colorado, USA
3. University of Pittsburgh Department of Physical Therapy, School of Health and Rehabilitation Sciences, , Pittsburgh, Pennsylvania, USA
4. School of Medicine Uniformed Services University of the Health Sciences Department of Medicine, Center for Health Professions Education, , Bethesda, Maryland, USA