1. ICORD-BSCC, University of British Columbia, Vancouver, British Columbia, Canada.
2. Department of Integrative Biology and Physiology, University of California, Los Angeles, Los Angeles, California.
3. Neurobiology, University of California, Los Angeles, Los Angeles, California.
4. Department of Neurosurgery, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California.
5. Brain Research Institute, University of California, Los Angeles, Los Angeles, California.
6. Pavlov Institute of Physiology, Saint-Petersburg, Russia.