1. Department of Endocrinology and Metabolism; University of Pisa; Pisa Italy
2. Department of Internal Medicine; University of Pisa; Pisa Italy
3. Division of Endocrinology and Metabolic Diseases; University of Verona; Verona Italy
4. Diabetes Unit; University of Siena; Siena Italy
5. Endocrinology and Diabetes Unit; Fondazione IRCCS ‘Cà Granda - Ospedale Maggiore Policlinico’; Milan Italy
6. Complications of Diabetes Unit, Division of Metabolic and Cardiovascular Sciences; San Raffaele Scientific Institute; Milan Italy
7. Diabetes Unit; Hospital of Bergamo; Bergamo Italy
8. Department of Clinical and Experimental Medicine; University of Padua; Padua Italy
9. Department of Internal Medicine; University of Turin; Turin Italy
10. Section of Internal Medicine, Endocrinology, Andrology and Metabolic Diseases, Department of Emergency and Organ Transplantation; University of Bari; Bari Italy
11. Department of Clinical Pharmacology and Epidemiology; Consorzio Mario Negri Sud; S. Maria Imbaro Italy
12. Department of Clinical and Molecular Medicine; ‘La Sapienza’ University; Rome Italy