Diabetes mellitus, noninsulin-dependent, late onset; Diabetes mellitus, permanent neonatal 2; DIABETES MELLITUS, TYPE 2, PROTECTION AGAINST; Hyperinsulinemic hypoglycemia, familial, 2; HYPERINSULINEMIC HYPOGLYCEMIA, PERSISTENT; HYPERINSULINISM, NEONATAL; Maturity-onset diabetes of the young type 13; MODY, TYPE 13; Type 2 diabetes mellitus; Type II diabetes mellitus