1. Quebec Heart & Lung Institute, Laval University, Quebec City, Canada (D.d.V., A.R., J.R.-C.).
2. Heart Center, Leipzig University, Leipzig, Germany (A. Linke, M.A.-W., M.N., L.C., D.H.).
3. University Hospital Carl Gustav Carus Dresden, Dresden, Germany (A. Linke, M.N.).
4. Ospedale San Raffaele, Milan, Italy (A. Latib).
5. Montefiore Medical Center, New York (A. Latib).
6. Righospitalet, Copenhagen, Denmark (N.I., L.S.).
7. Bichat Hôpital, Paris, France (M.U., D.H.).
8. Kerckhoff Klinik, Bad Nauheim, Germany (K.W.-K.).
9. DeutschesHerzzentrum München, Munich, Germany (O.H., C.P.).
10. St.-Johannes-Hospital, Dortmund, Germany (O.H.).
11. Hospital of the University of Pennsylvania, Philadelphia (H.C.H.).
12. Hospital Universitario Clinico San Carlos, Madrid, Spain (L.N.-F.).
13. St Michaels Hospital, Toronto, Canada (A.C.).
14. Southlake Regional Health Centre, Newmarket, Canada (A.C.).
15. Centre Hospitalier Universitaire de Rennes, Rennes, France (H.L.B., V.A.).
16. Bern University Hospital (on behalf of Swiss Registry Centres), Bern, Switzerland (S.S., T.P.).
17. Centro Cardiologico Monzino, Milan, Italy (A.B., P.O.).
18. University Hospital Bonn, Bonn, Germany (J.M.S.).
19. Hospital Clinico Universitario de Valladolid, Valladolid, Spain (I.A.-S.).
20. Hospital Universitario Virgen de la Victoria, Malaga, Spain (A.M.-G.).
21. Emory University School of Medicine, Atlanta, GA (S.L., J.L.).
22. Mount Sinai Hospital, New York (S.L.).
23. Hospital General Universitario Gregorio Maranon, Madrid, Spain (E.G.-I.).
24. Heart Center, Segeberger Kliniken, Bad Segeberg, Germany (M.A.-W., M.L.).
25. Clinique Pasteur, Toulouse, France (D.T.).
26. IRCCS Pol. San Donato, Milan, Italy (L.T.).
27. Hôpital Charles-Nicolle,Rouen, France (H.E., E.D.).
28. AOU Santa Maria della Misericordia, Udine, Italy (U.L.).
29. Hospital Universitario Reina Sofia, Cordoba, Spain (J.C.C.).
30. Cedars-Sinai Heart Institute, Los Angeles, CA (T.C., R.M.).
31. St Paul’s Hospital, Vancouver, Canada (J.G.W., A. Alkhodair).
32. Vittorio Emanuele Hospital, Catania, Italy (M.B.).
33. Columbia University Medical Center, New York, (S.K.).
34. Hospital Israelita Albert Einstein, Sao Paulo, Brazil (F.S.d.B.).
35. Heart Institute (InCor) Sao Paulo, Brazil (H.R.).
36. Fondazione Toscana G. Monasterio, Massa, Italy (A.M.).
37. Spedali Civili di Brescia, Brescia, Italy (C.F.).
38. Ospedale Ordine Mauriziano di Torino, Torino, Italy (G.M.A.D.).
39. S. Croce e Carle Cuneo, Cuneo, Italy (F.R.).
40. Hospital Vall d’Hebron, Barcelona, Spain (V.S.).
41. Centre Hospitalier de l’Universite de Montreal, Montreal, Canada (J.-B.M.).
42. Sunnybrook Health Science Center, Toronto, Canada (H.C.W.).
43. Hospital Beneficencia Portuguesa, Sao Paulo, Brazil (J.A.M.).
44. Hospital Naval Marcilio Dias, Rio de Janeiro, Brazil (M.-C.F.).
45. Hospital Sao Francisco-Santa Clara, Porto Alegre, Brazil (V.C.L.).
46. Hospital Pró-cardíaco, Rio de Janeiro, Brazil (A.S.C.).
47. Instituto Dante Pazzanese de Cardiologia, Sao Paulo, Brazil (A. Abizaid).
48. Hospital Madre Teresa, Belo Horizonte, Brazil (M.A.M.).
49. Hospital Sao Luiz, Sao Paulo, Brazil (V.E.).
50. Clínica Sao Vicente, Rio de Janeiro, Brazil (J.A.).
51. University Hospital Zurich, Zurich, Switzerland (F.N.).
52. Hospital Clinic de Barcelona, Barcelona, Spain (A.R.).