1. Department of Cell Biology, Harvard Medical School, 240 Longwood Avenue, Boston, Massachusetts 02115, United States
2. Department of Chemistry, Stanford University, 364 Lomita Drive, Stanford, California 94305, United States
3. Department of Neurology and Neurological Sciences, Stanford University School of Medicine, 213 Quarry Road, Palo Alto, California 94304, United States
4. Wu Tsai Neurosciences Institute, Stanford University, 290 Jane Stanford Way, Stanford, California 94305, United States