1. Department of Paediatrics, University of Turin, Turin, Italy.
2. Department of Pediatrics, Azienda Ospedaliera, University of Milan, “Ospedale Luigi Sacco”, Milan, Italy.
3. Department of Paediatrics, Endocrine Unit, Scientific Institute Hospital San Raffaele, Vita-Salute University, Milan, Italy.
4. Department of Pediatrics, Second University of Naples, Naples, Italy.
5. Department of Pediatric Sciences, University of Messina, Messina, Italy.
6. Juvenile Diabetes Centre, Anna Mayer Children's Hospital, Florence, Italy.
7. Department of Paediatrics, University of Chieti, Ospedale Policlinico, Chieti, Italy.