1. Department of Physical Therapy and Rehabilitation, University of California, San Francisco, CA 94143
2. Brain and Spinal Injury Center, University of California, San Francisco, CA 94143
3. Department of Physiology, University of California, San Francisco, CA 94143
4. Department of Translational Research, Protein Folding and Disease Laboratory, Fundación Ciencia & Vida, Santiago, 7750000, Chile
5. Department of Biochemistry and Biophysics, University of California, San Francisco, CA 94143
6. HHMI, University of California, San Francisco, CA 94143
7. Kavli Institute of Fundamental Neuroscience, University of California, San Francisco, CA 94143
8. Department of Neurological Surgery, University of California, San Francisco, CA 94143
9. Weill Institute for Neuroscience, University of California, San Francisco, CA 94143