1 Departments of Neurology and Rehabilitation & Regenerative Medicine, Columbia University, New York, NY, USA. Electronic address: hms2150@cumc.columbia.edu.
2 Department of Biomedical Engineering, The City College of New York, NY, USA.
3 Department of Psychology and Neuroscience, University of Colorado, Boulder, CO, USA.
4 Health Sciences Center, Grande Rio University, Brazil.
5 Department of Biologic and Materials Sciences, University of Michigan, Ann Arbor, MI, USA.