1. Department of Cardiovascular and Metabolic Diseases, IRCCS MultiMedica, Sesto San Giovanni, Milan, Italy
2. Center for Outcomes Research and Clinical Epidemiology (CORESEARCH), Pescara, Italy
3. Department of Medical Sciences, Scientific Institute “Casa Sollievo della Sofferenza,” San Giovanni Rotondo, Foggia, Italy
4. Department of Cardionephrology, IRCCS Azienda Ospedaliera Universitaria San Martino-IST, Genoa, Italy
5. Department of Medicine, University of Padua, Padua, Italy
6. Diabetes and Metabolism Unit, Department of Internal Medicine, ASL Turin 5, Chieri, Turin, Italy
7. Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy