AKT2 and atypical Werner syndrome: Familial partial lipodystrophy (LMNA, PPARG, AKT2, PLIN1)Hutchinson–Gilford progeria syndrome (LMNA)Atypical progeroid syndrome (LMNA)Neonatal progeroid syndrome (FBN1, CAV1, and others)Mandibular hypoplasia, deafness, progeroid features (MDP) syndrome (POLD1)SHORT syndrome associated with lipodystrophy (PIK3R1)Keppen–Lubinsky syndrome associated with lipodystrophy (KCNJ6)