1. Department of Neurological Surgery and the Miami Project to Cure Paralysis, University of Miami Miller School of Medicine, Miami, Florida.
2. Department of Neurosurgery, University of Pittsburgh, Pennsylvania.
3. Department of Neurosurgery, University of Michigan, Ann Arbor, Michigan.
4. Department of Rehabilitation Medicine, Icahn School of Medicine at Mount Sinai, New York, New York.
5. Department of Neurosurgery, Medical College of Wisconsin, Milwaukee, Wisconsin.
6. Department of Neurosurgery, University of Maryland, Baltimore, Maryland.
7. StemCells Inc, Newark, California.