1. Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
2. Harvard T.H. Chan School of Public Health, Boston, Massachusetts
3. University of Alabama, Birmingham
4. University of California, San Francisco
5. Temple University, Philadelphia, Pennsylvania
6. University of Arizona, Tucson
7. Tufts University, Boston, Massachusetts
8. University of North Carolina, Chapel Hill
9. National Institute of Allergy and Infectious Diseases, Bethesda, Maryland
10. University of California, San Diego
11. Weill Cornell Medicine, New York, NewYork
12. University of Pittsburgh, Pennsylvania
13. McGill University Health Centre, Montreal, Quebec, Canada
14. Massachusetts General Hospital, Harvard Medical School, Boston
15. University of California, Los Angeles
16. University of Minnesota, Minneapolis
17. University of Pennsylvania, Philadelphia
18. University of Washington, Seattle
19. Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology, and Harvard, Cambridge