1. School of Physical Therapy and Rehabilitation Science University of Montana Missoula Montana USA
2. Department of Physical Therapy and Athletic Training College of Health, University of Utah Salt Lake City Utah USA
3. Physical Therapy Program, Department of Physical Medicine and Rehabilitation University of Colorado Aurora Colorado USA
4. ATI Physical Therapy Greenville South Carolina USA
5. Radboud University Medical Center Radboud Institute for Health Sciences, IQ healthcare Nijmegen The Netherlands
6. Geriatric Research Education and Clinical Center VA Eastern Colorado Healthcare System Denver Colorado USA