1. Department of Pediatrics; Metabolic Unit; IRCCS Bambino Gesù Children's Hospital; Rome Italy
2. Laboratory of Mendelian Diabetes; IRCCS Bambino Gesù Children's Hospital; Rome Italy
3. Department of Experimental Medicine and Surgery; University of Tor Vergata; Rome Italy
4. Department of Nuclear Medicine; Catholic University of the Sacred Heart; Rome Italy
5. Department of Nuclear Medicine; IRCCS Bambino Gesù Children's Hospital; Rome Italy
6. Department of Pathology; IRCCS Bambino Gesù Children's Hospital; Rome Italy
7. Institute for Maternal and Child Health; IRCCS Burlo Garofalo; Trieste Italy
8. Department of Cell Biology and Physiology; Washington University School of Medicine; St. Louis MO USA
9. Liver Surgery and Transplantation Unit; IRCCS Bambino Gesù Children's Hospital; Rome Italy
10. Department of Pathology; University of Louvain; Brussels Belgium
11. Unit of Endocrinology and Metabolism; Faculty of Medicine; University of Louvain; Brussels Belgium