1. Burke Rehabilitation Hospital, White Plains, NY, Burke Medical Research Institute
2. Burke Rehabilitation Hospital, White Plains, NY
3. Weill Medical College of Cornell University, Department of Public Health
4. Veterans Health Administration, Department of Rehabilitation and Development, Washington DC
5. Department of Physical Therapy, University of Maryland School of Medicine, Baltimore, MD
6. Massachusetts Institute of Technology, Mechanical Engineering Department, Cambridge, MA
7. Massachusetts Institute of Technology, Mechanical Engineering Department, Brain and Cognitive Sciences Department, Cambridge, MA
8. Weill Medical College of Cornell University, Department Neurology and Neuroscience, New York, NY, Burke Medical Research Institute