1. Departments of Molecular and Cellular Physiology and Structural Biology, Stanford University School of Medicine, Stanford, CA 94305, USA.
2. Stanford Cancer Institute, Stanford University School of Medicine, Stanford, CA 94305, USA.
3. Diabetes Center and Department of Medicine, University of California, San Francisco, CA 94143, USA.
4. Division of Hematology-Oncology, Department of Medicine, David Geffen School of Medicine, and Jonsson Comprehensive Cancer Center, University of California, Los Angeles, CA 90095, USA.
5. Department of Blood and Marrow Transplantation, Institute for Stem Cell Biology and Regenerative Medicine, and Ludwig Center for Cancer Stem Cell Research and Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA.
6. Stanford Medical Scientist Training Program, Stanford University, Stanford, CA 94305, USA.
7. Department of Biochemistry, Howard Hughes Medical Institute, and Institute for Protein Design, University of Washington, Seattle, WA 98195, USA.
8. Department of Pediatrics and Genetics, Stanford University School of Medicine, Stanford, CA 94305, USA.
9. Immunology Graduate Program, Stanford University School of Medicine, Stanford, CA 94305, USA.
10. Parker Institute for Cancer Immunotherapy, 1 Letterman Drive, Suite D3500, San Francisco, CA 94129, USA.
11. Howard Hughes Medical Institute, Stanford University School of Medicine, Stanford, CA 94305, USA.