1. Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Corso della Repubblica 79, 04100 Latina, Italy
2. Department of Cardiovascular, Respiratory, Nephrological, Anesthesiological, and Geriatric Sciences, Policlinico Umberto I, Sapienza University of Rome, Viale del Policlinico 155, 00161 Rome, Italy
3. Cardiothoracic Department, Lancashire Cardiac Centre, Blackpool Victoria Teaching Hospital, 38 Whinney Heys Road, Blackpool FY3 8NR, UK
4. Department of Cardiac Surgery, Ospedale dell’Angelo, Mestre, Via Paccagnella 11, 30174 Venice, Italy