1. Duke University Medical Center and Duke Clinical Research Institute, Durham, NC (J.P.P.).
2. Medical School of Rowan University, Camden, NJ (A.M.R.).
3. Division of Cardiology, Department of Medicine, Rush University Medical Center, Chicago, IL (P.S.S.).
4. Division of Cardiology, Department of Medicine, VCU Medical Center, Richmond, VA (J.K.).
5. Division of Cardiology, Department of Medicine, University of Colorado, Aurora, CO (W.T.).
6. Cardiovascular Division, Department of Medicine, Brigham and Women’s Hospital, Boston, MA (W.S.).
7. Division of Cardiology, Department of Medicine, NYU Medical Center, NY (D.S.P.).
8. UC San Diego, School of Medicine, San Diego, CA (U.B.-G.).
9. Cardiovascular Division, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA (D.S.F.).
10. Population Health Research Institute, McMaster University, Hamilton, Ontario, Canada (J.S.H.).
11. Ohio State University Wexner Medical Center, Columbus, OH (J.H.).
12. Icahn School of Medicine at Mount Sinai, New York, NY (J.K.).
13. South Australian Health and Medical Research Institute, University of Adelaide and Royal Adelaide Hospital, Australia (D.L.).
14. Snyder Center for Comprehensive Atrial Fibrillation and Department of Cardiology at Valley Health System, Ridgewood, NJ (S.M.).
15. Department of Cardiac Electrophysiology, St Bernard’s Heart and Vascular Center, Jonesboro, AR (D.G.N.).
16. Montreal Heart Institute and Université de Montréal, Quebec, Canada (S.N.).
17. Mayo Clinic, Rochester, MN (P.A.N.).
18. University of Utah School of Medicine, Salt Lake City, UT (B.A.S.).
19. Department of Biomedical Engineering and Institute for Computational Medicine, Johns Hopkins University, Baltimore, MD (N.A.T.).
20. Division of Cardiology, Department of Medicine, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY (E.Y.W.).
21. Division of Cardiology, University of Illinois at Chicago, IL (E.W.).
22. Dartmouth-Hitchcock Medical Center and The Dartmouth Institute, Lebanon, NH (E.P.Z.).
23. Cardiovascular Medicine, Department of Medicine, Stanford University School of Medicine, CA (P.J.W.).