Stanford University - Department of Microbiology and Immunology, Stanford University - Department of Microbiology and Immunology, Stanford University - Department of Pathology, Stanford University - Department of Pathology, University of Bern - Institute of Pathology, University of Bern - Institute of Pathology, Stanford University - Department of Microbiology and Immunology, Stanford University - Department of Microbiology and Immunology, Stanford University - Department of Pathology, Stanford University - Department of Microbiology and Immunology, Stanford University - Department of Microbiology and Immunology, Stanford University - Department of Microbiology and Immunology and Stanford University School of Medicine - Department of Pathology