1. Department of Agricultural and Biological Engineering Mississippi State University Mississippi State MS USA
2. Center for Advanced Vehicular Systems Mississippi State University Starkville MS USA
3. Department of Neurosurgery and Neurobiology University of Mississippi Medical Center Jackson MS USA
4. Center for Neuroscience and Neurological Recovery Methodist Rehabilitation Center Jackson MS USA
5. Spinal Cord Injury Medicine and Research Services G.V. (Sonny) Montgomery VA Medical Center Jackson MS USA