1. Department of Cellular and Molecular Pharmacology, University of California San Francisco, 600 16th Street, Genentech Hall, San Francisco, California 94158, United States
2. Department of Pharmaceutical Chemistry, University of California San Francisco, 600 16th Street, Genentech Hall, San Francisco, California 94158, United States
3. Quantitative Biosciences Institute, University of California San Francisco, 1700 Fourth Street, San Francisco, California 94158, United States