Mohammed S Alghamdi -
Drexel University, Department of Physical Therapy and Rehabilitation Sciences, 1601 Cherry Street, Mail Stop 7502, Philadelphia, PA 19102, USA
Lisa A Chiarello -
Drexel University, Department of Physical Therapy and Rehabilitation Sciences, 1601 Cherry Street, Mail Stop 7502, Philadelphia, PA 19102, USA
Robert J Palisano -
Drexel University, Department of Physical Therapy and Rehabilitation Sciences, 1601 Cherry Street, Mail Stop 7502, Philadelphia, PA 19102, USA
Sarah W McCoy -
University of Washington, Department of Rehabilitation Medicine, Box 356490, 1959 NE Pacific St, Seattle, WA 98195-6490, USA