1. Crawford Research Institute, Shepherd Center, Atlanta, Georgia, USA.
2. Division of Physical Therapy, Emory University School of Medicine, Atlanta, Georgia, USA.
3. Program in Applied Physiology, School of Biological Sciences, Georgia Institute of Technology, Atlanta, Georgia, USA.
4. MetroHealth Rehabilitation Institute, MetroHealth System, Cleveland, Ohio, USA.
5. Department of Physical Medicine and Rehabilitation, Case Western Reserve University, Cleveland, Ohio, USA.
6. Department of Rehabilitation Medicine, Thomas Jefferson University, Philadelphia, Pennsylvania, USA.
7. Spinal Cord Injury Center, Heidelberg University Hospital, Heidelberg, Germany.
8. Thomas Jefferson University, Philadelphia, Pennsylvania, USA.
9. Magee Rehabilitation Hospital, Jefferson Health, Philadelphia, Pennsylvania, USA.
10. Praxis Spinal Cord Institute, Vancouver, British Columbia, Canada.
11. International Collaboration on Repair Discoveries, Vancouver, British Columbia, Canada.
12. Institute for Functional Restoration, Case Western Reserve University, Cleveland, Ohio, USA.
13. Pathokinesiology Laboratory, Rancho Los Amigos National Rehabilitation Center, Downey, California, USA.
14. Department of Therapy, Swiss Paraplegic Centre, Nottwil, Switzerland.
15. Neuro-Musculoskeletal Functioning and Mobility, Swiss Paraplegic Research, Nottwil, Switzerland.
16. Department for Brain and Spinal Cord Injuries, Bodil Eskesen Centre, Neuroscience Centre, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark.
17. Sunnaas Rehabilitation Hospital, Bjørnemyr, Norway.
18. National Rehabilitation Hospital, Dublin, Ireland.
19. National Spinal Injuries Unit, Queen Elizabeth University Hospital, Glasgow, United Kingdom.
20. Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark.