Cardiology Department, Centre Hospitalo-Universitaire Lariboisière, AP-HP, 75010 Paris, France. Electronic address: theo.pezel@live.fr. Cardiology Department, Hôpital Bicêtre, AP-HP, 94270 Le Kremlin-Bicêtre, France. Cardiologist, 13200 Arles, France. Cardiology Department, Hôpital Bichat, AP-HP, 75018 Paris, France. Cardiology Department, Hôpital Corentin-Celton, AP-HP, 92130 Issy-les-Moulineaux, France. Cardiology Department, Hôpital Brabois, 54500 Vandoeuvre-lès-Nancy, France. Cardiology Department, University Hospital Toulouse-Rangueil, 31059 Toulouse, France. Cardiology Department, CHU de Lille, Inserm U1167, Institut Pasteur de Lille, Université de Lille, 59000 Lille, France. Cardiology Department, Centre Hospitalo-Universitaire Lariboisière, AP-HP, 75010 Paris, France. Cardiology Department, CHU de Rouen, 76000 Rouen, France. Cardiology Department, Hôpital Montfermeil, 93370 Montfermeil, France. Cardiology Department, ELSAN, Polyclinique de Poitiers, 86000 Poitiers, France. Cardiology Department, Clinique Saint-Gatien, 37540 Saint-Cyr-sur-Loire, France. Cardiology Department, Centre de Référence Amyloses Cardiaques et des Cardiomyopathies, CHU Henri Mondor, AP-HP, 94010 Creteil, France. Cardiology Department, CHU de Nimes, 30029 Nimes, France. Cardiology Department, CHU Gabriel-Montpied, 63000 Clermont-Ferrand, France. Public Health Department, CHU Henri Mondor, AP-HP, 94010 Creteil, France. CEPIA, CHU Henri Mondor, AP-HP, 94010 Creteil, France.