1. Department of Pathology, University of Miami School of Medicine and Veterans Affairs Medical Center, Miami, Florida.
2. The Miami Project to Cure Paralysis, University of Miami School of Medicine, Miami, Florida.
3. Department of Neurological Surgery, University of Miami School of Medicine and Veterans Affairs Medical Center, Miami, Florida.
4. Department of Biochemistry and Molecular Biology, University of Miami School of Medicine and Veterans Affairs Medical Center, Miami, Florida.