1 Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA acasade1@jhu.edu.
2 American Society for Microbiology (ASM), Washington, DC, USA.
3 Department of Molecular Biology and Biochemistry, University of California, Irvine, Irvine, California, USA.
4 Howard Hughes Medical Institute, Chevy Chase, Maryland, USA, and Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, Massachusetts, USA.
5 Department of Ecological Microbiology, University of Bayreuth, Bayreuth, Germany.
6 University of Washington School of Medicine, Seattle, Washington, USA.
7 Department of Surgery, University of Chicago, Chicago, Illinois, USA.
8 Department of Microbiology and Immunology, University of Michigan, Ann Arbor, Michigan, USA.
9 Department of Microbiology and Immunology, University of Illinois at Chicago, Chicago, Illinois, USA.
10 Boston Children's Hospital and Harvard Medical School, Boston, Massachusetts, USA.
11 Center for Vaccine Development and Department of Pediatrics, University of Maryland, Baltimore, Maryland, USA.
12 Department of Microbiology and Molecular Genetics, University of California, Irvine, California, USA.
13 Department of Molecular Biology, Princeton University, Princeton, New Jersey, USA.
14 Departments of Medicine and Microbiology and Immunology, Warren Alpert Medical School of Brown University, Providence, Rhode Island, USA.
15 Department of Medicine, University of Minnesota, Minneapolis, Minnesota, USA.