Affiliation: | a Human Engineering Research Laboratories, VA Rehabilitation Research and Development Center, VA Pittsburgh Healthcare Systems, Pittsburgh, PA b Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA c Department of Physical Medicine and Rehabilitation, University of Pittsburgh, Pittsburgh, PA d Department of Rehabilitation Science and Technology, University of Pittsburgh, Pittsburgh, PA e Department of Rehabilitation Medicine, University of Washington, Seattle, WA f Kessler Medical Rehabilitation Research and Education Corp, Spinal Cord Injury Rehabilitation Research, West Orange, NJ g Department of Physical Medicine and Rehabilitation, University of Medicine and Dentistry of New Jersey-New Jersey Medical School, Newark, NJ. |