1. Department of Medicine, Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA
2. Department of Microbiology, Blavatnik Institute, Harvard Medical School, Boston, Massachusetts, USA
3. Department of Immunology and Infectious Diseases, Harvard T. H. Chan School of Public Health, Boston, Massachusetts, USA
4. Department of Molecular and Cellular Biology, Harvard University, Cambridge, Massachusetts, USA
5. Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts, USA
6. Department of Biochemistry, Virginia Polytechnic Institute and State University, Blacksburg, Virginia, USA