1. Department of Cardiovascular and Thoracic Sciences, Fondazione Policlinico Universitario Agostino Gemelli IRCCS , Rome 00168 , Italy
2. Catholic University of the Sacred Heart , Rome 00168 , Italy
3. Unità di Cardiologia, Aurelia Hospital , Rome 00165 , Italy
4. Department of Biomedicine and Prevention, Institute of Cardiology, University of Rome Tor Vergata , Rome 00133 , Italy
5. Cardiologic Center, S. Anna University Hospital , Ferrara 44124 , Italy
6. Department of Internal Medicine, University of Genova , Genova 16132 , Italy
7. Centro Cardiologico Monzino IRCCS , Milan 20138 , Italy
8. Sports Medicine Unit, Fondazione Policlinico Universitario Agostino Gemelli IRCCS , Rome 00168 , Italy