1. Cardiology Unit, Cardiovascular and Thoracic Department, University Hospital “San Giovanni di Dio e Ruggi d’Aragona”, Largo Città di Ippocrate, Salerno 84131, Italy
2. Division of Cardiology, Department of Cardiothoracic and Respiratory Sciences, University of Campania “Luigi Vanvitelli”, Monaldi Hospital, A.O.R.N. “Ospedali dei Colli”, Naples 80131, Italy
3. Vascular Pathophysiology Unit, IRCCS Neuromed, Pozzilli, Isernia 86077, Italy
4. Division of Cardiology, AOU Policlinico-Vittorio Emanuele, Catania 95100, Italy