1. Department of Clinical and Experimental Medicine, Policlinic “G. Martino,” University of Messina, Messina, Italy;
2. Department of Clinical Internal, Anesthesiology and Cardiovascular Sciences, Sapienza University of Rome, Rome, Italy;
3. Mediterranea Cardiocentro, Napoli, Italy;
4. Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy; and
5. UOC UTIC Emodinamica e Cardiologia, Ospedale Santa Maria Goretti, Latina, Italy.