Filippo Cademartiri, Cardiovascular Imaging Unit, “Giovanni XXIII” Hospita l, Monastier di Treviso (TV), Italy Giancarlo Casolo, Cardiology Unit, Versilia Hospital, Lidodi Camaiore (LU), Italy Massimo Midiri, DIBIMEF, Department of Radiology, “P. G iaccone” University Hospital, Palermo, Italy