1. From the Department of Cardiology, IRCCS Pol San Donato, San Donato Milanese, Milan, Italy (L.T., R.M., M.A., N.B., F.B.); Interventional Cardiology Unit, Department of Cardiology, San Raffaele Hospital and EMO-GVM Centro Cuore Columbus, Milan, Italy (A.L., A.C.); Department of Cardiology, Niguarda Ca Granda Hospital, Milan, Italy (F.D.M., S.K.); Cardiothoracic and Vascular Department, Azienda Ospedaliero-Universitaria Pisana, Pisa, Italy (M.D.C., A.S.P.); Cardiothoracic Department, Spedali Civili,...