1. Section of Cardiovascular Medicine, Yale University School of Medicine, New Haven, CT (L.E.R., E.J.M., C.M., L.B.).
2. Cleveland Clinic, OH (M.K.C., D.A.C., C.L.J., D.H.K., P.C.C., A.B., T.D.C., P.B., J.D.E.).
3. Department of Pathology, Case Western Reserve University, Cleveland, OH (C.V.H.).
4. Respiratory Disease Unit, Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padova, Italy (P.S.).
5. Karolinska Institute, Stockholm, Sweden (J.G.).
6. University of Maryland School of Medicine, Baltimore (J.A., T.-M.D.).
7. Brigham and Women’s Hospital (W.H.S., R.B.), Harvard Medical School, Boston, MA.
8. University of Texas-Southwestern Medical Center, Dallas (J.A.J.).
9. Keck School of Medicine, University of Southern California, Los Angeles (B.A.L.).
10. University of Michigan Medical School, Ann Arbor (F.B., T.C.).
11. Virginia Commonwealth University School of Medicine, Richmond (J.K., K.A.E.).
12. Icahn School of Medicine Mount Sinai, New York City, NY (D.M., P.L.).
13. Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN (K.C.S.).
14. Metro Health Campus, Case Western Reserve University, Cleveland, OH (E.S.K.).
15. Beth Israel Deaconess Medical Center (P.Z.), Harvard Medical School, Boston, MA.
16. Michigan Heart and Vascular Institute, Ypsilanti, MI (E.T.Z.).
17. Massachusetts General Hospital (J.P.S.), Harvard Medical School, Boston, MA.
18. Johns Hopkins University School of Medicine, Baltimore, MD (J.C., D.R.O.).
19. George Washington University School of Medicine, Washington DC (S.Q.).
20. University of Washington School of Medicine, Seattle (L.L.V., K.K.P., R.K.C.).
21. Ohio State University Wexner Medical Center, Columbus (S.K.).
22. Kings College Hospital, London, United Kingdom (F.M.).
23. Albany Medical Center, NY (M.A.J.).
24. University of Ottawa Heart Institute, ON, Canada (D.B.)
25. Columbia University Irving Medical Center, New York City, NY (M.A.F.).