1. Department of Veterans Affairs Rehabilitation Research and Development Service, National Center of Excellence for the Medical Consequences of Spinal Cord Injury, James J. Peters VA Medical Center, Bronx, New York.
2. New York Institute of Technology, Department of Physical Therapy, School of Health Professions, Old Westbury, New York.
3. Medical Service, James J. Peters VA Medical Center, Bronx, New York.
4. Department of Medicine, The Icahn School of Medicine at Mount Sinai, New York, New York.
5. Department of Rehabilitation Medicine, The Icahn School of Medicine at Mount Sinai, New York, New York.