1. The Feinstein Institutes for Medical Research, Northwell Health, Manhasset, New York, USA.
2. Donald and Barbara Zucker School of Medicine at Hofstra Northwell, Hempstead, New York, USA.
3. Tim and Caroline Reynolds Center for Spinal Stimulation, Center for Mobility and Human Engineering Research, West Orange, New Jersey, USA.
4. Department of Physical Medicine and Rehabilitation, Rutgers New Jersey Medical School, Newark, New Jersey, USA.
5. Kessler Institute for Rehabilitation. West Orange, New Jersey, USA.
6. Kentucky Spinal Injury Research Center, School of Medicine, University of Louisville, Louisville, Kentucky, USA.
7. Department of Neurosurgery, School of Medicine, University of Louisville, Louisville, Kentucky, USA.
8. Department of Neurosurgery, Thomas Jefferson University Hospitals, Philadelphia, Pennsylvania, USA.
9. Department of Rehabilitation and Human Performance, Icahn School of Medicine at Mount Sinai Hospital, New York, New York, USA.
10. The Belford Center for Spinal Cord Injury, Spinal Cord Division, Wexner Medical Center, The Ohio State University, Columbus, Ohio, USA.
11. Department of Neurology, Spinal Cord Division, Wexner Medical Center, The Ohio State University, Columbus, Ohio, USA.
12. International Collaboration on Repair Discoveries (ICORD), Department of Orthopaedics, University of British Columbia, Vancouver, British Columbia, Canada.
13. North Shore University Hospital, Manhasset, New York, USA.