1 Interventional Cardiology Unit, Cardiothoracic and Vascular Department (DICATOV), IRCCS Ospedale Policlinico San Martino, Largo R. Benzi, 10, 16132 Genova, Italy.
2 Department of Internal Medicine and Medical Specialties (DIMI), Università di Genova, Viale Benedetto XV 6, 16132 Genova, Italy.
3 Department of Cardiovascular and Pulmonary Sciences, Catholic University School of Medicine, Rome, Italy.
4 Center of Excellence on Ageing, CAST, 'G. d'Annunzio' University School of Medicine, Chieti, Italy.