1. Unit of Cardiology, Department of Translational Medical Sciences, University of Campania “Luigi Vanvitelli”, Monaldi Hospital, Via Leonardo Bianchi , 80131 Naples , Italy
2. Department of Cardiology, Umberto I Hospital, Via Alfonso de Nicola , 84014 Nocera Inferiore , Italy
3. Department of Advanced Biomedical Sciences, University of Naples Federico II, Via S. Pansini , 5, 80131 Naples , Italy
4. Public Health Department, University of Naples Federico II, Via S. Pansini , 5, 80131 Naples , Italy
5. Department of Cardiology, Policlinico Casilino , Via Casilina, 1049, 00169 Rome