1 Clinic of Cardiovascular Diseases, University of Genoa, Genoa, Italy; IRCCS Ospedale Policlinico San Martino Genoa-Italian Cardiovascular Network, Genoa, Italy. gmrosa@libero.it
2 Clinic of Cardiovascular Diseases, University of Genoa, Genoa, Italy
3 Clinic of Cardiovascular Diseases, University of Genoa, Genoa, Italy; IRCCS Ospedale Policlinico San Martino Genoa-Italian Cardiovascular Network, Genoa, Italy