1. The Miami Project to Cure Paralysis, University of Miami Miller School of Medicine, Miami, Florida.
2. Department of Neurology, University of Miami Miller School of Medicine, Miami, Florida.
3. Faculty of Education, The University of Auckland, Auckland, New Zealand.
4. Department of Neurological Surgery, University of Miami Miller School of Medicine, Miami, Florida.
5. Department of Physiology and Biophysics, University of Miami Miller School of Medicine, Miami, Florida.