1. Children's Specialized Hospital Research Center, New Brunswick, NJ, USA;
2. Human Performance and Engineering Research, Kessler Foundation, West Orange, NJ, USA;
3. Rehabilitation Technology Department, Children’s Specialized Hospital, Mountainside, NJ, USA;
4. Department of Physical Medicine and Rehabilitation, Rutgers New Jersey Medical School, Newark, NJ, USA;
5. Spinal Cord Injury Research and Outcomes & Assessment Research, Kessler Foundation, West Orange, NJ, USA