1. Department of Biomedical Engineering, University of California Irvine, Irvine, CA, USA
2. Department of Electrical Engineering and Computer Science, University of California Irvine, Irvine, CA, USA
3. Electrophysiology Lab, Rancho Los Amigos National Rehabilitation Center, Downey, CA, USA
4. Department of Neurology, Rancho Los Amigos National Rehabilitation Center, Downey, CA, USA
5. Department of Neurology, University of Southern California, Los Angeles, CA, USA
6. Department of Neurology, University of California Irvine, Irvine, CA, USA
7. Department of Neurosurgery, Rancho Los Amigos National Rehabilitation Center, Downey, CA, USA
8. Center for Neurorestoration, University of Southern California, Los Angeles, CA, USA
9. Department of Neurosurgery, University of Southern California, Los Angeles, CA, USA