1. Department of Neurology, Division of Neurocritical Care and Stroke Service, Center for Neurotechnology and Neurorecovery, Massachusetts General Hospital, Harvard Medical School, Boston
2. Department of Veterans Affairs, Rehabilitation Research and Development Service, Center for Neurorestoration and Neurotechnology, Providence, Rhode Island
3. Department of Rehabilitation and Regenerative Medicine, Columbia University, New York, New York
4. Department of Rehabilitation Medicine, Weill Cornell Medical College, New York, New York