1 De Gasperis Cardio Center, Interventional Cardiology Unit, Niguarda Hospital, Piazza dell'Ospedale Maggiore 3, 20162 Milan, Italy.
2 Department of Molecular Medicine, University of Pavia, Corso Str. Nuova 65, 27100, Pavia, Italy.
3 Department of Cardiology, Centre Hospitalier Universitaire (CHU) Saint-Pierre, Université Libre de Bruxelles (ULB), Rue Haute 322, 1000 Brussels, Belgium.