Amyloid Neuropathies, FamilialAmyloid NeuropathiesPrealbuminAmyloidosisAmyloidDiflunisalAmyloidosis, FamilialCardiomyopathiesLiver TransplantationSubcutaneous TissueNervous System DiseasesPolyneuropathiesLiving DonorsSural NerveSerum Amyloid A ProteinAutopsySerum Amyloid P-ComponentBenzoxazolesGastrointestinal TractParaproteinemiasAge of OnsetPortugalPeripheral Nervous System DiseasesMutationCongo RedAmyloid beta-Peptides