Correction: Enzyme replacement and enhancement therapies: lessons from lysosomal disorders

Nature Reviews Genetics 3, 954–966 (2002). The entry for Niemann–Pick Type C disease in Table 1 was incorrect. It should have read as follows: Table 1 The entries for Gaucher type 1 and MPSII in Table 2 were incorrect. They should have read as follows: Table 2 In addition, the second sentence in thesection 'Enzyme replacement therapy: clinical trials' contained an error and should have read: Preclinical studies in knockout mice or other naturally occurring animal models (such as the dog model of mucopolysacch aridosis I) are under way for several other disorders, including type B Niemann–Pick disease42, galactosialidosis86, Wolman disease (cholesteryl ester storage disease)59 and mucopolysaccharidosis VII87,88.