1. Department of Cardiovascular Sciences, University Sapienza , Viale del Policlinico 155, 00161 Rome , Italy
2. Department of Neuroscience, Imaging and Clinical Sciences, “G. d’Annunzio” University , Viale Abruzzo, 332, 66100 Chieti , Italy
3. Department of Cardiology, “SS. Annunziata Hospital” , ASL 2 Abruzzo, Via dei Vestini, 66100 Chieti , Italy
4. Department of Cardiology, University of Parma , Piazzale S. Francesco, 3, 43121 Parma , Italy
5. Department of Surgical, Medical and Molecular Pathology and of Critical Sciences, University of Pisa , Lungarno Antonio Pacinotti 43, 56126 Pisa , Italy
6. Division of Cardiology, AOU “Policlinico G. Martino”, Department of Clinical and Experimental Medicine, University of Messina , Via Consolare Valeria 1, 98124 Messina , Italy
7. Division of Cardiology, IRCCS Hospital Galeazzi-Sant'Ambrogio , Via Cristina Belgioioso 173, 20157 Milan , Italy