1. Stanford University, Palo Alto (T.B., S.G., R.S.V., N.B., P.C., R.K., P.J.W.).
2. Cedars Sinai Medical Center, Los Angeles, CA (C.M.A.).
3. The University of Chicago, IL (Z.A.).
4. The University of Utah, Salt Lake City (T.J.B., B.A.S.).
5. Cornell University, New York (J.W.C.).
6. Johns Hopkins University, Baltimore, MD (J.C.).
7. Cleveland Clinic, OH (M.K.C.).
8. Washington University, St Louis, MO (D.H.C.).
9. Temple University, Philadelphia, PA (J.M.C.).
10. Christ Hospital, Cincinnati, OH (A.C.).
11. Rush University, Chicago, IL (H.D.H.).
12. North Texas Heart Center, Dallas, TX (J.L.H.).
13. New York University (L.J.).
14. The Medical University of South Carolina, Charleston (A.K.).
15. University of Michigan, Ann Arbor (R.L., J.J.L.).
16. Massachusetts General Hospital, Boston (M.M.).
17. Tulane University, New Orleans, LA (N.F.M.).
18. Emory University, Atlanta, GA (F.M.M.).
19. Indiana University, Indianapolis (J.M.M.).
20. Northwell Health, Staten Island, NY (S.M.).
21. Duke University, Durham, NC (J.P.P.).
22. Cooper Medical School of Rowan University, Camden, NJ (A.M.R.).
23. Brigham and Women’s Hospital, Boston, MA (U.T.).
24. University of Colorado, Denver (W.S.T.).
25. Columbia University, New Yorky City (E.Y.W.).
26. Veterans Affairs Greater Los Angeles Healthcare System and David Geffen School of Medicine at the University of California Los Angeles (J.K.H.).