1. Hepato-Metabolic Department; Bambino Gesù Children's Hospital - IRCCS; Rome; Italy
2. Cardiorespiratory and Sport Medicine Unit; Bambino Gesù Children's Hospital - IRCCS; Rome; Italy
3. Endocrinology Department; Bambino Gesù Children's Hospital - IRCCS; Rome; Italy
4. Cystic Fibrosis Unit; Bambino Gesù Children's Hospital - IRCCS; Rome; Italy
5. Trial Center Unit; Bambino Gesù Children's Hospital - IRCCS; Rome; Italy