[1] S Maria della Grazie Hosp, Dept Internal Med, Pozzuoli, Italy
[2] Santobono Pausilipon Childrens Hosp, Dept Neurosci, Obes & Endocrine Dis Unit, Naples, Italy
[3] Univ Messina, Dept Human Pathol Adulthood & Childhood, Messina, Italy
[4] Univ Campania Luigi Vanvitelli, Dept Woman Child & Gen & Specialized Surg, Naples, Italy
[5] Univ Verona, Sect Pediat Diabet & Metab, Dept Surg Dent Pediat & Gynecol, Verona, Italy
[6] Azienda Osped Univ Integrata Verona, Verona, Italy
[7] Univ Bari Aldo Moro, Dept Biomed Sci & Human Oncol, Pediat Unit, Bari, Italy
[8] Univ Naples Federico II, Sect Pediat, Dept Translat Med Sci, Reg Ctr Pediat Diabet, Naples, Italy
[9] V Buzzi Childrens Hosp, Dept Pediat, Milan, Italy
[10] Univ Pavia, Dept Internal Med, Pavia, Italy
[11] IRCCS Azienda Osped Univ, Pediat Unit, Bologna, Italy
[12] Univ Naples Parthenope Univ, Dept Movement Sci & Wellbeing, Naples, Italy