Affiliation: | a Cardiovascular Department, Ferrarotto Hospital, University of Catania, Catania, Italyb ETNA Foundation, Catania, Italyc Department of Cardiovascular and Respiratory Sciences, Policlinico Umberto I, 'La Sapienza' University of Rome, Rome, Italyd Pineta Grande Clinic, Invasive Cardiology Unit, Castelvolturno, Italye Invasive Cardiology Unit, San Raffaele Scientific Institute, Milan, Italy |