1. Metabolic Diseases, Department of Medicine-DIMED, University of Padua, Padua, Italy.
2. Section of Internal Medicine, Endocrinology, Andrology and Metabolic Diseases, Department of Emergency and Organ Transplantation, University of Bari Aldo Moro, Bari, Italy.
3. Unit of Endocrine Diseases and Diabetology, A.O. Papa Giovanni XXIII, Bergamo, Italy.
4. Pediatric Department and Diabetes Research Institute, Scientific Institute, Hospital San Raffaele, Milan, Italy.
5. Department of Clinical Medicine and Surgery, Federico II University, Naples, Italy.
6. Unit of Diabetology and Endocrinology, Genoa, Italy.
7. Department of Endocrinology and Diabetology, Cava dè Tirreni, ASL Salerno, Italy.
8. Unit of Diabetology, A.O. Spedali Civili, Brescia, Italy.
9. Division of Endocrinology, Diabetology and Metabolism, A.O.U. Città' della Salute e della Scienza, Turin, Italy.
10. Department of Pediatrics, Second University of Naples, Naples, Italy.
11. Department of Pediatrics, University of Turin, Turin, Italy.
12. Unit of Endocrinology and Diabetes, Bambino Gesù Children's Hospital, Rome, Italy.