1. Department of Translational Medical Sciences, University of Campania ‘Luigi Vanvitelli’, Naples
2. Division of Cardiology, A.O.R.N. ‘Sant’Anna e San Sebastiano’, Caserta
3. Department of Advanced Biomedical Sciences, University of Naples ‘Federico II’, Naples
4. Unit of Cardiology, Department of Clinical and Experimental Medicine, University of Messina, Messina
5. Division of Cardiology, Department of Medical and Surgical Science, Magna Graecia University, Catanzaro
6. Institute of Cardiology, ‘G. d’Annunzio’ University, Chieti
7. Department of Clinical, Internal, Anaesthesiology and Cardiovascular Sciences, 'Sapienza’ University of Rome, Policlinico Umberto I
8. Division of Cardiology, University Hospital Tor Vergata
9. Department of Departmental Faculty of Medicine, Unicamillus-Saint Camillus International, University of Health and Medical Sciences
10. Department of Systems Medicine, University Tor Vergata, Rome
11. Department of Medicine and Surgery, University of Parma, Parma, Italy