Jejunoileal BypassHyperlipidemiasLipodystrophyLipodystrophy, Congenital GeneralizedHIV-Associated Lipodystrophy SyndromeLipodystrophy, Familial PartialDiabetes Mellitus, LipoatrophicLamin Type ALiver DiseasesLiverLiver TransplantationLiver NeoplasmsFatty LiverAcanthosis NigricansLiver CirrhosisGTP-Binding Protein gamma Subunits1-Acylglycerol-3-Phosphate O-AcyltransferaseMicrosomes, LiverLiver RegenerationAcro-OsteolysisAntiretroviral Therapy, Highly ActiveAdipose TissueStavudineInsulin ResistanceHIV InfectionsLiver Function TestsMitochondria, Liver