1. Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania
2. Shriners Hospitals for Children, Chicago, Illinois
3. International Center for Spinal Cord Injury, Kennedy Krieger Institute, Baltimore, Maryland
4. Physical Medicine and Rehabilitation, Johns Hopkins School of Medicine, Baltimore, Maryland
5. Department of Neurosurgery, Kentucky Spinal Cord Injury Research Center, University of Louisville, Louisville, Kentucky
6. Shriners Hospitals for Children, Philadelphia, Pennsylvania
7. Section for Spinal Cord Injuries, Department for Brain and Spinal Cord Injuries, Rigshospitalet, HornBaek, Denmark
8. Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
9. Center for Outcomes and Measurement & Department of Occupational Therapy, Jefferson College of Rehabilitation Sciences, Thomas Jefferson University, Philadelphia, Pennsylvania