1 Division of Pediatric Endocrinology. Hospital Sant Joan de Déu, Barcelona, Spain.
2 Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia; Department of Pediatric Endocrinology, Diabetes and Metabolic Diseases, University Children's Hospital, Ljubljana, Slovenia.
3 AUF DER BULT, Diabetes Center for Children and Adolescents, Hannover, Germany.
4 Department of Pediatrics, Division of Endocrinology. University of California, San Francisco, CA, United States.
5 Department of Pediatrics, V. Buzzi Children's Hospital, Milan, Italy.
6 Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria.
7 Department of Pediatrics, V. Buzzi Children's Hospital, Milan, Italy; Department of Biomedical and Clinical Sciences, University of Milan, Milan, Italy. Electronic address: chiara.mameli@unimi.it.