1 Division of Pediatrics, Department of Health Sciences, University of Piemonte Orientale, V. Solaroli 17, 28100, Novara, Italy.
2 Pediatric and Pediatric Emergency Unit, The Children Hospital, AO SS Antonio E Biagio E C. Arrigo, Via Venezia, 16, Alessandria, Italy.
3 Department of Pediatrics, Cuneo Hospital, Via Antonio Carle, 5, Cuneo, Italy.
4 Center of Pediatric Diabetology, AOU Città Della Salute E Della Scienza, Piazza Polonia, 94, Turin, Italy.
5 Division of Pediatrics, Department of Health Sciences, University of Piemonte Orientale, V. Solaroli 17, 28100, Novara, Italy. ivana.rabbone@uniupo.it.