1 Coronary Care Unit and Laboratory of Clinical and Experimental Cardiology, Fondazione IRCCS Policlinico San Matteo, Pavia-Italy.
2 Division of Cardiology, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy and Interventional Cardiology Unit, CardioThoraco Vascular Department (DICATOV) - IRCCS Ospedale Policlinico San Martino, Genova-Italy.