1 Department of Molecular and Cell Biology, and Cancer Research Laboratory, Division of Immunology and Pathogenesis, University of California, Berkeley, CA, USA.
2 Department of Microbiology, University of Washington, Seattle, WA, USA.
3 Innovative Genomics Institute, University of California, Berkeley, Berkeley, CA, USA.
4 Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA, USA.
5 Aduro Biotech, Berkeley, CA, USA.
6 Institute of Molecular Health Sciences, Department of Biology, ETH Zurich, Zurich, Switzerland.
7 Department of Molecular and Cell Biology, and Cancer Research Laboratory, Division of Immunology and Pathogenesis, University of California, Berkeley, CA, USA. raulet@berkeley.edu.