1. Departments of Structural Biology and Microbiology & Immunology, Stanford University School of Medicine, Stanford, CA 94305, USA.
2. Stanford Immunology, Stanford University School of Medicine, Stanford, CA 94305, USA.
3. Center for Infectious Medicine, Department of Medicine, Karolinska Institutet, Stockholm, Sweden.
4. Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Paris, France.
5. Department of Cancer Immunology, Institute for Cancer Research, Oslo University Hospital, 0310 Oslo, Norway.