1. Department of Physical Therapy, University of Dayton , Dayton, Ohio, USA
2. Good Shepherd Penn Partners, Philadelphia , Pennsylvania, USA
3. Exercise Science Department, University of South Carolina , Columbia, South Carolina, USA
4. Department of Physical Therapy and Rehabilitation Science, University of California at San Francisco/San Francisco State University , San Francisco, California, USA
5. Department of Physical Medicine and Rehabilitation, University of Colorado , Aurora, Colorado, USA