1. Department of Medicine, Division of Cardiology, Columbia University Vagelos College of Physicians & Surgeons (E.J.C., S. Kochav, I.G., A.B., H.G., E.Y.W.).
2. New York Presbyterian Queens, Weill Medical College (S.G., J.-H.K., I.Y.).
3. The George Washington University School of Medicine & Health Sciences, The GW Medical Faculty Associates, Washington, DC (C.T., S.A.).
4. Section of Cardiovascular Disease, Yale University School of Medicine, New Haven, CT (J.A., A. Singh, S.J.).
5. Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Brazil (L.Z., M.P.).
6. Department of Cardiology & Cardiovascular Research Institute Basel (CRIB), University Hospital Basel, University of Basel, Switzerland (S.O., R.T., N.S.).
7. Istituto Auxologico Italiano, IRCCS, Department of Cardiovascular, Neural & Metabolic Sciences, San Luca Hospital, Milan, Italy (L.C., D.F., G.P.).
8. Department of Medicine & Surgery, University of Milano-Bicocca, Milan, Italy (L.C., D.F., G.P.).
9. Wuhan Asia General Hospital, China (Y.L.).
10. Department of Cardiology, Hospital General Universitario Gregorio Marañón, Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM) (F.A., E.Z.).
11. CIBERCV, Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares, Instituto de Salud Carlos III, Madrid, Spain (F.A., E.Z.).
12. Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of Cardiology, Second Hospital of Tianjin Medical University, China (G.T.).
13. School of Life Sciences. The Hospital Authority of Hong Kong, Hong Kong, China (G.T.).
14. Laboratory of Cardiovascular Physiology, Li Ka Shing Institute of Health Sciences, Hong Kong, China (G.T.).
15. Aston Medical School, Aston University, Birmingham, United Kingdom (K.C.K.L.).
16. UMAE Hospital de Especialidades Dr. Antonio Fraga Mouret CMN La Raza IMSS, CDMX, Mexico (M.E.G.-V., C.A.R.-S.).
17. Kyorin University School of Medicine, Tokyo, Japan (K.S.).
18. Electrophysiology & Cardiac Pacing Unit, Cardiology Department, ASST Papa Giovanni XXIII, Bergamo, Italy (P.D.F., P.F., G.M.).
19. Imperial College Healthcare NHS Trust, London, United Kingdom (P.K., S. Khawaja, G.W.M.).
20. Heart Institute (InCor), Hospital das Clinicas da Faculdade de Medicina da Universidade de São Paulo, Brazil (M.S., A.H., B.R., L.S.).
21. Department of Cardiology, Imam Khomeini Hospital Complex, Tehran University of Medical Sciences, Iran (R.M., M.E., V.L.f.).
22. University of Modena & Reggio Emilia, Modena, Italy (V.M., G.B.).
23. Department of Cardiac, Thoracic, Vascular Sciences & Public Health, University of Padova, Italy (F.M., A.C., F.D.).
24. Cardiology & Arrhythmology Clinic, University Hospital “Ospedali Riuniti,” Marche Polytechnic University, Ancona, Italy (P.C., M.C., A.D.R.).
25. Division of Cardiovascular Disease & Hypertension, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ (J.C., A. Aboyme).
26. Department of Medicine, Division of Cardiology, University of California San Francisco School of Medicine (C.G.O.).
27. Division of Cardiology, Stanford University, CA (F.R., P.J.W.).
28. East Carolina University, Greenville, NC (A.N., M.M.).
29. School of Postgraduate Studies, International Medical University, Kuala Lumpur (C.S.K.).
30. Department of Medicine & Clinical Research Center, Taiping Hospital, Perak, Malaysia (W.K.C.).
31. Division of Cardiology, Fondazione Cardiocentro Ticino, Lugano, Switzerland (A. Auricchio, G.C.).
32. Division of Cardiology, Department of Internal Medicine, Keimyung University Dongsan Hospital, Daegu, South Korea (J.H., S.H.).
33. Department of Medical Sciences, Surgery & Neurosciences, University of Siena, Italy (P.E.L., F.F., A. Santoro, P.L.C.).
34. Azienda Ospedaliera Universitaria Senese (AOUS), Siena, Italy (P.E.L., F.F., A. Santoro, P.L.C.).
35. University of Texas Southwestern Medical Center, Dallas (J.A.G., A.G.R.).
36. Division of Cardiology, University Hospital “Ospedale Maggiore,” Parma, Italy (M.Z., S.B., R.B.).
37. Department of Cardiology, University Hospital of Leon, Spain (J.E.-M., T.B.-G., C.M.-C., F.F.-V.).