1. IRCCS San Raffaele Roma Rome Italy
2. Heart Institute, Hospital Universitari Germans Trias I Pujol, CIBERCV, Badalona, and the Universitat Autonoma Barcelona Badalona Spain
3. Institute of Cardiology, ASST Spedali Civili di Brescia, Department of Medical and Surgical Specialties, Radiological Sciences and Public Health University of Brescia Brescia Italy