1. Department of Cardiovascular Medicine, Fondazione Policlinico Universitario A. Gemelli IRCCS , 00168 Rome , Italy
2. Department of Medicine and Surgery, University of Parma , 43126 Parma , Italy
3. Diabetology Care Unit, Fondazione Policlinico Universitario A. Gemelli IRCCS , 00168 Rome , Italy
4. Università Cattolica del Sacro Cuore , Largo Francesco Vito 1, 00168 Rome , Italy
5. Division of Endocrinology and Metabolic Diseases, University of Parma , 43126 Parma , Italy
6. Department of Clinical Internal, Anesthesiological and Cardiovascular Sciences, La Sapienza University , 00185 Rome , Italy