1. Infirmary Therapy Services , Mobile, Alabama , USA
2. Department of Rehabilitation Medicine, New York University Langone Medical Center , New York, New York , USA
3. Krannert School of Physical Therapy, University of Indianapolis , Indianapolis, Indiana , USA
4. Department of Health , Human Function, & Rehabilitation Sciences, , Washington, DC , USA
5. George Washington University , Human Function, & Rehabilitation Sciences, , Washington, DC , USA
6. Radboud University Medical Center, Radboud Institute for Health Sciences, IQ Healthcare , Nijmegen , The Netherlands