1. Kentucky Spinal Cord Injury Research Center, University of Louisville, Louisville, KY 40202, USA
2. Frazier Rehabilitation Institute, University of Louisville Health, Louisville, KY 40202, USA
3. Department of Health Management and Systems Science, University of Louisville, Louisville, KY 40202, USA
4. Department of Neurological Surgery, University of Louisville, Louisville, KY 40202, USA
5. Department of Radiology, University of Louisville, Louisville, KY 40202, USA
6. Department of Physiology, University of Louisville, Louisville, KY 40292, USA
7. Pavlov Institute of Physiology, Russian Academy of Sciences, 199034 Saint Petersburg, Russia
8. Department of Physical Medicine & Rehabilitation, Rutgers New Jersey Medical School, Newark, NJ 07052, USA
9. Kessler Foundation, Newark, NJ 07052, USA
10. Department of Bioengineering, University of Louisville, Louisville, KY 40202, USA