1. ICCU, San Giuseppe Moscati Hospital, ASL CE, 81031 Aversa, Italy
2. Structural Interventional Cardiology, Careggi University Hospital, 50134 Florence, Italy
3. Erasmus Hospital, Université libre de Bruxelles (ULB), 1070 Brussels, Belgium
4. Division of Cardiology, AOU Policlinico G Martino, 98124 Messina, Italy
5. IRCCS Galeazzi-Sant’Ambrogio Hospital, 20157 Milan, Italy