DGS, ICF syndrome, 3MC syndrome type 2 (COLEC11 deficiency), Cohen syndrome (COH1 deficiency), ITCH deficiency, STAT5B deficiency, FILS syndrome, RNF168 deficiency, Kabuki Syndrome, Bloom syndrome, ICF, Cernunnos (XLF). The gene discussed is STAT5B; the disease is hyperinsulinemic hypoglycemia, familial, 4.