1. University of California, San Francisco, San Francisco, California (A.M.K., S.L.G., T.N., J.Y.T.)
2. Stanford University, Stanford, California (A.W.H., P.W., L.P.)
3. University of Michigan, Ann Arbor, Michigan (S.V.P.)
4. Northwestern University, Chicago, Illinois (N.R.K.)
5. University of California, San Diego, San Diego, California (M.R.G.)
6. Columbia University Irving Medical Center, New York, New York (D.S.)
7. University of Southern California, Los Angeles, California (J.L., V.W.S.)
8. Emory University, Atlanta, Georgia (K.V.N.)
9. University of Hawai’i at Mānoa, Honolulu, Hawaii (M.K.M., M.K.)
10. Icahn School of Medicine at Mount Sinai, New York, New York (S.B., B.V.)
11. University of Illinois at Chicago, Chicago, Illinois (M.L.D.)
12. Harvard T.H. Chan School of Public Health, Boston, Massachusetts (F.B.H.)
13. New York University Grossman School of Medicine, New York, New York (N.I., C.T.)
14. National Institute of Environmental Health Sciences, National Institutes of Health, Bethesda, Maryland (C.L.J.)
15. Brigham Young University, Salt Lake City, Utah (J.S.K.)
16. Brown University, Providence, Rhode Island (S.L.)
17. Temple University, Philadelphia, Pennsylvania (G.X.M.)
18. Johns Hopkins University, Baltimore, Maryland (D.V.)
19. University of Texas Southwestern Medical Center, Dallas, Texas (T.J.W.)
20. University of California, Irvine, Irvine, California (N.D.W.)
21. National Heart, Lung, and Blood Institute, Bethesda, Maryland (S.C., Y.H.)