1. Cardiovascular and Thoracic Department; University of Pisa; Pisa Italy
2. Divisions of Cardiology; School of Medicine; University of Perugia; Perugia Italy
3. First Clinic of Internal Medicine; Department of Internal Medicine; University of Genoa; Genoa Italy
4. Ospedale Policlinico San Martino; Genoa Italy
5. Centre of Excellence for Biomedical Research (CEBR); University of Genoa; Genoa Italy
6. Department of Internal Medicine and Medical Specialties; University of Genoa; Genoa Italy