1. Kentucky Spinal Cord Injury Research Center University of Louisville Louisville KY USA
2. Department of Neurological Surgery University of Louisville School of Medicine Louisville KY USA
3. James J Peters VA Medical Center Bronx NY USA
4. Departments of Medicine and Rehabilitation Medicine the Icahn School of Medicine Mount Sinai New York NY USA
5. Kessler Institute for Rehabilitation West Orange NJ USA
6. Kalamazoo College Kalamazoo MI USA
7. Centre College Danville KY USA
8. Frazier Rehab Institute Louisville KY USA