1. Department of Internal Medicine, University of Genoa,16132 Genoa, Italy
2. Cardiovascular Disease Unit, IRCCS Ospedale Policlinico San Martino, 16132 Genova, Italy
3. Infectious Disease Clinic, Department of Health Sciences, IRCCS Ospedale Policlinico San Martino, University of Genoa, 16132 Genoa, Italy