1. Integrated Electronics and Biointerfaces Laboratory, Department of Electrical and Computer Engineering, University of California, San Diego, La Jolla, CA 92093, USA.
2. Department of Biomedical Engineering, Ulsan National Institute of Science and Technology, Ulsan 44919, Korea.
3. Department of Anesthesiology, University of California, San Diego, La Jolla, CA 92093, USA.
4. Center for the Future of Surgery, Department of Surgery, University of California, San Diego, La Jolla, CA 92093, USA.
5. Department of Neurological Surgery, University of California, San Diego, La Jolla, CA 92093, USA.
6. Department of Neurological Surgery, Oregon Health & Science University, Mail code CH8N, 3303 SW Bond Avenue, Portland, OR 97239, USA.
7. Department of Obstetrics, Gynecology, and Reproductive Sciences, Center for Reproductive Science and Medicine, University of California, San Diego, La Jolla, CA 92093, USA.
8. Department of Electrical and Computer Engineering, University of California, San Diego, La Jolla, CA 92093, USA.
9. Department of Neurology, Center for Neurotechnology and Neurorecovery, Massachusetts General Hospital, Boston, MA 02114, USA.
10. Department of Neurology, Harvard Medical School, Boston, MA 02115, USA.
11. Department of Neurosurgery, Massachusetts General Hospital, Boston, MA 02114, USA.
12. Department of Neurological Surgery, Ohio State University, Columbus, OH 43210, USA.
13. Departments of Radiology and Neurosciences, University of California, San Diego, La Jolla, CA 92093, USA.