1. Department of Women's and Children's Health, Azienda Ospedaliero Universitaria Ospedali Riuniti di Ancona Umberto I G M Lancisi G Salesi, Ancona, Italy.
2. Department of Pediatrics, Pediatric Diabetology Unit, Diabetes Research Institute, Scientific Institute Hospital San Raffaele, Milan.
3. Department of Translational Medical Science, Section of Pediatrics, University of Naples Federico II School of Medicine and Surgery, Napoli, Italy.
4. Pediatric Endocrinology and Diabetology Unit, Meyer Children's Hospital, Firenze, Italy.
5. Department of Pediatrics, University of Messina Faculty of Medicine and Surgery, Messina, Italy.
6. Department of Pediatrics, University Hospital of Bologna Sant'Orsola-Malpighi Polyclinic, Bologna, Italy.
7. Pediatric Diabetes and Metabolic Disorders Unit, University of Verona School of Medicine and Surgery, Verona, Italy.
8. Department of Pediatrics, Giannina Gaslini Children's Hospital, Genova, Italy.
9. Department of Pediatrics, University of Turin Faculty of Medicine and Surgery, Torino, Italy.
10. Diabetes Unit - Bambino Gesù Children's Hospital - Roma Italy.
11. ASST Cremona, Cremona, Italy.
12. Center of Epidemiology, Biostatistics, and Medical Informatics, Università Politecnica delle Marche, Ancona, Italy.