1. Unit of Cardiovascular Disease, Hospital San Vincenzo, Contrada Sirina, 98039 Taormina, Italy
2. Cardiac Intensive Care Unit, Hospital San Vincenzo, Contrada Sirina, 98039 Taormina, Italy
3. Cardiovascular Imaging, Hospital San Vincenzo, Contrada Sirina, 98039 Taormina, Italy
4. Cardiac Catheterization Lab, Hospital San Vincenzo, Contrada Sirina, 98039 Taormina, Italy
5. Vita-Salute San Raffaele University, San Raffaele Hospital, 58 Via Olgettina, 20132 Milan, Italy