1. Division of Cardiology, University Hospital S. Giovanni di Dio e Ruggi d’Aragona, Salerno, Italy
2. Division of Cardiology, Garibaldi-Nesima Hospital, Catania, Italy
3. Fondazione per il Tuo cuore—HCF onlus, Florence, Italy
4. Department of Cardiovascular Medicine, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy
5. Division of Cardiology, San Filippo Neri Hospital, Roma, Italy
6. Division of Cardiology, Santo Spirito Hospital, Casale Monferrato, Alessandria, Italy
7. Vascular Pathophysiology Unit, IRCCS Neuromed, Pozzilli, Isernia, Italy
8. Division of Cardiology, Azienda Sanitaria Universitaria Integrata di Trieste, Italy
9. Division of Cardiology, Augusto Murri Hospital, Fermo, Italy
10. Division of Cardiology, A.O. San Camillo-Forlanini, Roma, Italy