1 Department of Rehabilitation Sciences, MGH Institute of Health Professions, Boston, MA, USA.
2 Department of Rehabilitation Sciences, MGH Institute of Health Professions, Boston, MA, USA; Center for Neurotechnology and Neurorecovery, Massachusetts General Hospital, Boston, MA, USA; Providence VA Medical Center, VA RR&D Center for Neurorestoration and Neurotechnology, Providence, RI, USA; Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
3 Department of Rehabilitation Sciences, MGH Institute of Health Professions, Boston, MA, USA; Center for Neurotechnology and Neurorecovery, Massachusetts General Hospital, Boston, MA, USA; Department of Physical Therapy, MGH Institute of Health Professions, Boston, MA, USA. Electronic address: tkimberley@mghihp.edu.