1 Department of Women's and Children's Health, Azienda Ospedaliero-Universitaria delle Marche, Ospedali Riuniti di Ancona, "G. Salesi Hospital," Ancona, Italy.
2 Paediatric Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy.
3 Department of Paediatrics, Diabetes Research Institute, IRCCS San Raffaele, Milano, Italy.
4 Division of Paediatrics, Department of Health Sciences, University of Piemonte Orientale, Novara, Italy.
5 Paediatric Diabetes, Endocrinology and Nutrition, Paediatric Unit, ASST Cremona, Ospedale Maggiore, Cremona, Italy.