부산대학교 도서관

Knops RE; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Lloyd MS; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Roberts PR; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Wright DJ; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Boersma LVA; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Doshi R; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Friedman PA; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Neuzil P; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Blomström-Lundqvist C; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Bongiorni MG; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Burke MC; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Gras D; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Kutalek SP; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Amin AK; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Fu EY; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Epstein LM; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Tolosana JM; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Callahan TD; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Aasbo JD; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Augostini R; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Manyam H; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Nair DG; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Mondésert B; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Su WW; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Pepper C; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Miller MA; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Grammes J; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Saleh K; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Marquie C; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Merchant FM; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Cha YM; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Cunnington C; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Frankel DS; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; West J; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Matznick E; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Swackhamer B; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Brisben AJ; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Weinstock J; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Stein KM; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Reddy VY; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).; Mont L; From the Department of Cardiology, Amsterdam University Medical Center, Amsterdam (R.E.K., L.V.A.B.), and the Department of Cardiology, St Antonius Ziekenhuis, Nieuwegein (L.V.A.B.) - both in the Netherlands; Emory University Section of Cardiac Electrophysiology, Atlanta (M.S.L., F.M.M.); University Hospital Southampton, Southampton (P.R.R.), the Department of Cardiology, Liverpool Heart and Chest Hospital, Liverpool (D.J.W.), and Leeds Teaching Hospitals NHS Trust, Leeds (C.P.), and Manchester Heart Centre, Manchester Royal Infirmary, Manchester (C.C.) - all in the United Kingdom; HonorHealth Cardiac Arrhythmia Group, HonorHealth Research Institute, Scottsdale, and the College of Medicine (R.D.) and Banner University Medical Center Phoenix (W.W.S.), University of Arizona, Phoenix - all in Arizona; the Department of Cardiovascular Medicine, Mayo Clinic, Rochester (P.A.F., Y.-M.C.), and Boston Scientific, St. Paul (J. West, E.M., B.S., A.J.B., J. Weinstock, K.M.S.) - both in Minnesota; the Department of Cardiology, Na Homolce Hospital, Prague, Czech Republic (P.N.); Department of Cardiology, School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden (C.B.-L.); Heart Rhythm Clinic, San Rossore Hospital, Pisa, Italy (M.G.B.); CorVita Science Foundation, Chicago (M.C.B.); Departement de Cardiologie, Hôpital Privé du Confluent, Nantes (D.G.), and the Arrhythmia Unit, Cardiology Department, Heart and Lung Institute, Lille (C.M.) - both in France; Cardiac Electrophysiology, Drexel University (S.P.K.), and the Cardiovascular Division, Perelman School of Medicine at the University of Pennsylvania (D.S.F.), Philadelphia, and the Department of Cardiology, Saint Mary Medical Center, Langhorne (S.P.K.) - all in Pennsylvania; OhioHealth Heart and Vascular Physicians, Section of Cardiac Electrophysiology, Department of Cardiology, OhioHealth Riverside Methodist Hospital (A.K.A., E.Y.F.), and the Section of Cardiac Electrophysiology, Division of Cardiovascular Disease, Department of Internal Medicine, Ohio State University Wexner Medical Center (R.A.) Columbus, and the Cardiac Electrophysiology and Pacing Section, Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland (T.D.C.); Northwell, Hyde Park (L.M.E.), the Cardiovascular Institute, Northwell Health Manhasset, Manhasset (L.M.E.), and Icahn School of Medicine, Mount Sinai, New York (M.A.M., V.Y.R.) - all in New York; Institut Clínic Cardiovascular, Hospital Clínic, Universitat de Barcelona, and Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, and Centro de Investigación Biomédica en Red, Enfermedades Cardiovasculares (CIBERCV), Madrid (J.M.T., L.M.); Baptist Health Lexington, Lexington, KY (J.D.A.); Erlanger Health System, University of Tennessee, Chattanooga (H.M.); the Department of Cardiac Electrophysiology and Research, St. Bernard's Heart and Vascular Center, Arrhythmia Research Group, Jonesboro, AR (D.G.N.); Institut de Cardiologie de Montréal, Montreal Heart Institute, Université de Montréal, Montréal (B.M.); Sentara Norfolk General Hospital, Norfolk, VA (J.G.); and the Department of Cardiology, Kepler University Hospital, Medical Faculty of the Johannes Kepler University Linz, Austria (K.S.).

Publisher: Massachusetts Medical Society Country of Publication: United States NLM ID: 0255562 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1533-4406 (Electronic) Linking ISSN: 00284793 NLM ISO Abbreviation: N Engl J Med Subsets: MEDLINE

Vijayvargiya S; Section of Electrophysiology, Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia.; Mekary W; Section of Electrophysiology, Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia.; Jain V; Section of Electrophysiology, Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia.; Rao BR; Section of Electrophysiology, Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia.; Ibrahim R; Section of Electrophysiology, Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia.; Patel AM; Section of Electrophysiology, Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia.; Shah AD; Section of Electrophysiology, Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia.; DeLurgio DB; Section of Electrophysiology, Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia.; Westerman S; Section of Electrophysiology, Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia.; Lloyd MS; Section of Electrophysiology, Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia.; Bhatia N; Section of Electrophysiology, Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia.; Merchant FM; Section of Electrophysiology, Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia.; El-Chami MF; Section of Electrophysiology, Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia. Electronic address: melcham@emory.edu.

Publisher: Elsevier Country of Publication: United States NLM ID: 101200317 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1556-3871 (Electronic) Linking ISSN: 15475271 NLM ISO Abbreviation: Heart Rhythm Subsets: MEDLINE

Shanafelt C; Department of Cardiovascular Medicine, Emory University School of Medicine, Atlanta, Georgia, USA.; Middour TG; Department of Cardiovascular Medicine, Emory University School of Medicine, Atlanta, Georgia, USA.; Ibrahim R; Department of Cardiovascular Medicine, Emory University School of Medicine, Atlanta, Georgia, USA.; Leal M; Department of Cardiovascular Medicine, Emory University School of Medicine, Atlanta, Georgia, USA.; Lloyd MS; Department of Cardiovascular Medicine, Emory University School of Medicine, Atlanta, Georgia, USA.; Shah AD; Department of Cardiovascular Medicine, Emory University School of Medicine, Atlanta, Georgia, USA.; Westerman SB; Department of Cardiovascular Medicine, Emory University School of Medicine, Atlanta, Georgia, USA.; El-Chami MF; Department of Cardiovascular Medicine, Emory University School of Medicine, Atlanta, Georgia, USA.; Merchant FM; Department of Cardiovascular Medicine, Emory University School of Medicine, Atlanta, Georgia, USA.; Bhatia NK; Department of Cardiovascular Medicine, Emory University School of Medicine, Atlanta, Georgia, USA.

Publisher: Blackwell Country of Publication: United States NLM ID: 9010756 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1540-8167 (Electronic) Linking ISSN: 10453873 NLM ISO Abbreviation: J Cardiovasc Electrophysiol Subsets: MEDLINE

Huang J; Department of Medicine, Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia, USA.; Bhatia NK; Department of Medicine, Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia, USA.; Lloyd MS; Department of Medicine, Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia, USA.; Westerman S; Department of Medicine, Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia, USA.; Shah A; Department of Medicine, Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia, USA.; Delurgio D; Department of Medicine, Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia, USA.; Patel AM; Department of Medicine, Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia, USA.; Tompkins C; Department of Medicine, Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia, USA.; El-Chami MF; Department of Medicine, Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia, USA.; Merchant FM; Department of Medicine, Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia, USA.

Publisher: Blackwell Country of Publication: United States NLM ID: 9010756 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1540-8167 (Electronic) Linking ISSN: 10453873 NLM ISO Abbreviation: J Cardiovasc Electrophysiol Subsets: MEDLINE

Mekary W; Section of Cardiac Electrophysiology, Emory University School of Medicine, Atlanta, Georgia.; Merchant FM; Section of Cardiac Electrophysiology, Emory University School of Medicine, Atlanta, Georgia. Electronic address: faisal.merchant@emory.edu.

Publisher: Excerpta Medica Country of Publication: United States NLM ID: 0207277 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1879-1913 (Electronic) Linking ISSN: 00029149 NLM ISO Abbreviation: Am J Cardiol Subsets: MEDLINE

Jain V; Section of Cardiac Electrophysiology, Division of Cardiovascular Medicine, Emory University School of Medicine, Atlanta, Georgia.; Rao B; Section of Cardiac Electrophysiology, Division of Cardiovascular Medicine, Emory University School of Medicine, Atlanta, Georgia.; Knijnik L; Section of Cardiac Electrophysiology, Division of Cardiovascular Medicine, Emory University School of Medicine, Atlanta, Georgia.; Shah AD; Section of Cardiac Electrophysiology, Division of Cardiovascular Medicine, Emory University School of Medicine, Atlanta, Georgia.; Lloyd MS; Section of Cardiac Electrophysiology, Division of Cardiovascular Medicine, Emory University School of Medicine, Atlanta, Georgia.; El-Chami MF; Section of Cardiac Electrophysiology, Division of Cardiovascular Medicine, Emory University School of Medicine, Atlanta, Georgia.; Bhatia N; Section of Cardiac Electrophysiology, Division of Cardiovascular Medicine, Emory University School of Medicine, Atlanta, Georgia.; Westerman S; Section of Cardiac Electrophysiology, Division of Cardiovascular Medicine, Emory University School of Medicine, Atlanta, Georgia.; Merchant FM; Section of Cardiac Electrophysiology, Division of Cardiovascular Medicine, Emory University School of Medicine, Atlanta, Georgia.

Publisher: Elsevier Inc Country of Publication: United States NLM ID: 101768511 Publication Model: eCollection Cited Medium: Internet ISSN: 2666-5018 (Electronic) Linking ISSN: 26665018 NLM ISO Abbreviation: Heart Rhythm O2 Subsets: PubMed not MEDLINE

Ibrahim R; Department of Medicine, Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia.; Chaffin K; Medtronic, Minneapolis, Minnesota.; Shah A; Department of Medicine, Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia.; Westerman S; Department of Medicine, Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia.; Lloyd M; Department of Medicine, Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia.; Bhatia N; Department of Medicine, Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia.; Merchant FM; Department of Medicine, Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia.; El-Chami M; Department of Medicine, Division of Cardiology, Emory University School of Medicine, Atlanta, Georgia. Electronic address: melcham@emory.edu.

Publisher: Elsevier Country of Publication: United States NLM ID: 101200317 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1556-3871 (Electronic) Linking ISSN: 15475271 NLM ISO Abbreviation: Heart Rhythm Subsets: MEDLINE

Huang J; Department of Medicine, Emory University School of Medicine, Atlanta, Georgia.; Bhatia NK; Department of Medicine, Emory University School of Medicine, Atlanta, Georgia; Division of Cardiology, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia.; Lloyd MS; Department of Medicine, Emory University School of Medicine, Atlanta, Georgia; Division of Cardiology, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia.; Westerman S; Department of Medicine, Emory University School of Medicine, Atlanta, Georgia; Division of Cardiology, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia.; Shah A; Department of Medicine, Emory University School of Medicine, Atlanta, Georgia; Division of Cardiology, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia.; Leal M; Department of Medicine, Emory University School of Medicine, Atlanta, Georgia; Division of Cardiology, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia.; Delurgio D; Department of Medicine, Emory University School of Medicine, Atlanta, Georgia; Division of Cardiology, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia.; Patel AM; Department of Medicine, Emory University School of Medicine, Atlanta, Georgia; Division of Cardiology, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia.; Tompkins C; Department of Medicine, Emory University School of Medicine, Atlanta, Georgia; Division of Cardiology, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia.; Leon AR; Department of Medicine, Emory University School of Medicine, Atlanta, Georgia; Division of Cardiology, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia.; El-Chami MF; Department of Medicine, Emory University School of Medicine, Atlanta, Georgia; Division of Cardiology, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia.; Merchant FM; Department of Medicine, Emory University School of Medicine, Atlanta, Georgia; Division of Cardiology, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia. Electronic address: faisal.merchant@emory.edu.

Publisher: Excerpta Medica Country of Publication: United States NLM ID: 0207277 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1879-1913 (Electronic) Linking ISSN: 00029149 NLM ISO Abbreviation: Am J Cardiol Subsets: PubMed not MEDLINE; MEDLINE

Merchant FM; Section of Cardiac Electrophysiology, Emory University School of Medicine, Atlanta,Georgia. Electronic address: faisal.merchant@emory.edu.

Publisher: Excerpta Medica Country of Publication: United States NLM ID: 0207277 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1879-1913 (Electronic) Linking ISSN: 00029149 NLM ISO Abbreviation: Am J Cardiol Subsets: PubMed not MEDLINE; MEDLINE

Ibrahim R; Division of Cardiology, Section of Electrophysiology, Emory University School of Medicine, 550 Peachtree Street NE, 30308 Atlanta, GA, USA.; Al-Gibbawi M; Division of Cardiology, Section of Electrophysiology, Emory University School of Medicine, 550 Peachtree Street NE, 30308 Atlanta, GA, USA.; Mekary W; Division of Cardiology, Section of Electrophysiology, Emory University School of Medicine, 550 Peachtree Street NE, 30308 Atlanta, GA, USA.; Bhatia NK; Division of Cardiology, Section of Electrophysiology, Emory University School of Medicine, 550 Peachtree Street NE, 30308 Atlanta, GA, USA.; Kiani S; Division of Cardiology, Section of Electrophysiology, Emory University School of Medicine, 550 Peachtree Street NE, 30308 Atlanta, GA, USA.; Westerman SB; Division of Cardiology, Section of Electrophysiology, Emory University School of Medicine, 550 Peachtree Street NE, 30308 Atlanta, GA, USA.; Shah AD; Division of Cardiology, Section of Electrophysiology, Emory University School of Medicine, 550 Peachtree Street NE, 30308 Atlanta, GA, USA.; Lloyd MS; Division of Cardiology, Section of Electrophysiology, Emory University School of Medicine, 550 Peachtree Street NE, 30308 Atlanta, GA, USA.; Leal M; Division of Cardiology, Section of Electrophysiology, Emory University School of Medicine, 550 Peachtree Street NE, 30308 Atlanta, GA, USA.; De Lurgio DB; Division of Cardiology, Section of Electrophysiology, Emory University School of Medicine, 550 Peachtree Street NE, 30308 Atlanta, GA, USA.; Patel AM; Division of Cardiology, Section of Electrophysiology, Emory University School of Medicine, 550 Peachtree Street NE, 30308 Atlanta, GA, USA.; Tompkins C; Division of Cardiology, Section of Electrophysiology, Emory University School of Medicine, 550 Peachtree Street NE, 30308 Atlanta, GA, USA.; Leon AR; Division of Cardiology, Section of Electrophysiology, Emory University School of Medicine, 550 Peachtree Street NE, 30308 Atlanta, GA, USA.; Merchant FM; Division of Cardiology, Section of Electrophysiology, Emory University School of Medicine, 550 Peachtree Street NE, 30308 Atlanta, GA, USA.; El-Chami MF; Division of Cardiology, Section of Electrophysiology, Emory University School of Medicine, 550 Peachtree Street NE, 30308 Atlanta, GA, USA.

Publisher: Oxford University Press Country of Publication: England NLM ID: 100883649 Publication Model: Print Cited Medium: Internet ISSN: 1532-2092 (Electronic) Linking ISSN: 10995129 NLM ISO Abbreviation: Europace Subsets: MEDLINE