1. Montefiore-Einstein Center for Heart and Vascular Care, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY (A.S., A.L.).
2. Department of Biomedical Sciences, Humanitas University, Pieve Emanuele-Milan, Italy (S.B., B.R., A.C., A.M.).
3. IRCCS Humanitas Research Hospital, Rozzano-Milan, Italy (S.B., B.R., A.C., A.M.).
4. Cardiothoracic Department, ASST Spedali Civili di Brescia University of Brescia, Italy (M.P., M.A., M. Massussi).
5. Department of Medical Surgical Specialties, Radiological Sciences, and Public Health, University of Brescia, Italy (M.P., M.A., M. Massussi).
6. Department of Cardiology, C.A.S.T. Policlinico G. Rodolico, Catania, Italy (M.B., G.C.).
7. Department of Cardiology, Carmel Medical Center, Haifa, Israel (A.E.).
8. Cardiology Department, University Hospital Alvaro Cunqueiro, Galicia Sur Health Research Institute, Vigo, Spain (R.E.-L., R.A.).
9. Division of Cardiology, Pulmonology and Vascular Medicine, University Hospital Düsseldorf, Germany (V.V., T.Z.).
10. Heart Center Lucerne, Department of Cardiology, Luzerner Kantonsspital, Lucerne, Switzerland (S.T.).
11. Department of Cardiology, Galway University Hospitals, Ireland (D.M., M.L.).
12. Centro Cardiologico Monzino IRCCS, Milan, Italy (F.D.M.).
13. Interventional Cardiology Unit, GVM Care and Research, Maria Cecilia Hospital, Cotignola, Italy (F.G., L.D.I.).
14. Division of Cardiology, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy (M.F., G.L.).
15. Contilia Heart and Vascular Centre, Elisabeth-Krankenhaus Essen, Germany (C.K.N., A.W.).
16. Interventional Cardiology Unit, Fondazione Poliambulanza, Brescia, Italy (A.B., D.M.).
17. Department for Percutaneous Treatment of Structural Heart Disease, Albertinen Heart Center, Hamburg, Germany (J.S.).
18. MVZ Department Structural Heart Disease, Asklepios St Georg Clinic, Hamburg, Germany (J.S.).
19. Department of Internal Medicine II, University Hospital Ulm, Germany (W.R., S.W.).
20. Department of Cardiology, Thoraxcenter, Erasmus University Medical Center, Rotterdam, the Netherlands (N.M.V.M., F.Z.).
21. Heart and Lung Center, New Cross Hospital, Wolverhampton, UK (S.K.).
22. Division of Cardiothoracic Surgery, HerzZentrum Hirslanden Zürich, Switzerland (M.T., M.S.).
23. Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Switzerland (T.P.).
24. Department of Cardiology, Heart Center Bonn, University Hospital Bonn, Germany (J.-M.S., A. Sedaghat).
25. Division of Cardiology, Medical University of Graz, Austria (D.Z., A. Schmidt).
26. Interventional Cardiology Unit, San Raffaele Scientific Institute, Milan, Italy (M. Montorfano).
27. Department of Cardiology, St Antonius Hospital, Nieuwegein, the Netherlands (J.A.S.V.d.H., J.B.).
28. Interventional Cardiology Unit, AZ Sint-Jan Hospital, Bruges, Belgium (J.A.S.V.d.H.).
29. Clinic Cardiovascular Institute, Hospital Clinic, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Spain (S.B., A.R.).
30. Clinical and Interventional Cardiology Unit, Istituto Clinico Sant’Ambrogio, Milan, Italy (A.I.).
31. Department of Cardiology and Cardiac Surgery, Kerckhoff Heart Center, Bad Nauheim, Germany (C.W.H., W.-K.K.).
32. The Heart Centre, Rigshospitalet, Copenhagen University Hospital, Denmark (M.V., L.S.).
33. Department of Clinical and Interventional Cardiology, IRCCS Policlinico San Donato, Milan, Italy (L.T.).