1. Diabetes Center, University of California San Francisco, San Francisco, CA, USA.
2. Department of Pathology, Stanford University, Stanford, CA, USA.
3. Parker Institute for Cancer Immunotherapy, San Francisco, CA, USA.
4. Department of Surgery, University of California San Francisco, San Francisco, CA, USA.
5. Department of Epidemiology and Biostatistics, Computational Health Sciences Institute, University of California, San Francisco, San Francisco, CA, USA.
6. Department of Medicine, University of California San Francisco, San Francisco, CA, USA.