Media type: E-Article Title: Author Response: Association of Age at Onset and First Symptoms With Disease Progression in Patients With Metachromatic Leukodystrophy Contributor: Groeschel, Samuel; Krägeloh-Mann, Ingeborg imprint: Ovid Technologies (Wolters Kluwer Health), 2021 Published in: Neurology Language: English DOI: 10.1212/wnl.0000000000012507 ISSN: 0028-3878; 1526-632X Keywords: Neurology (clinical) Origination: Footnote: