1. Cardiology Unit, Department of Medical Translational Sciences, University of Campania “Luigi Vanvitelli”, Monaldi Hospital, 80131 Naples, Italy
2. Clinical Biochemistry Unit, Monaldi Hospital, 80131 Naples, Italy
3. Department of Medicine, Presidio Ospedaliero Santa Maria delle Grazie, 80078 Pozzuoli, Italy
4. Department of Clinical and Experimental Medicine, University of Messina, 98122 Messina, Italy
5. Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
6. Department of Cardiology, Umberto I Hospital, 84014 Nocera Inferiore, Italy