1. Kentucky Spinal Cord Injury Research Center, University of Louisville, Louisville, Kentucky.
2. Department of Neurological Surgery, University of Louisville, Louisville, Kentucky.
3. Human Performance and Engineering Research, Kessler Foundation, West Orange, New Jersey.
4. Department of Physical Medicine and Rehabilitation, Rutgers New Jersey Medical School, Newark, New Jersey.
5. Frazier Rehab Institute, Kentucky One Health, Louisville, Kentucky.