Efficacy of hematopoietic cell transplantation in metachromatic leukodystrophy: the Dutch experience

To the editor: Metachromatic leukodystrophy (MLD) is a neurodegenerative disorder caused by deficiency of arylsulfatase A,[1][1] leading to sulfatide accumulation and subsequent demyelination of the central and peripheral nervous system.[2][2],[3][3] MLD is divided into 3 subtypes, based on the