Institution: | 1. Spinal Cord Injury Unit, Shriners Hospitals for Children®—Chicago, and Rush Medical College, Chicago, IL, USA;2. Spinal Cord Injury Unit, Shriners Hospitals for Children®—Philadelphia and Temple University School of Medicine, Philadelphia, PA, USA;3. Rehabilitation and Clinical Research, Shriners Hospitals for Children®—Philadelphia, Philadelphia, PA, USA |