1. VA RR&D National Center for Medication Consequences of Spinal Cord Injury, James J Peters VA Medical Center, Bronx, New York.
2. Department of Research, Kessler Foundation, West Orange, New Jersey.
3. Department of Health, Sport, and Exercise Science, University of Kansas, Lawrence, Kansas.
4. Department of Physical Medicine and Rehabilitation, Rutgers New Jersey Medical School, Newark, New Jersey.
5. The War Related Illness and Injury Study Center, VA New Jersey Health Care System, East Orange, New Jersey.
6. Department of Medicine, The Icahn School of Medicine at Mount Sinai, New York, New York.