title: Primary and secondary progressive MS have a similar age at onset of progression - YES.
authors.affiliation: Service de Neurologie, sclérose en plaques, pathologies de la myéline et neuro-inflammation and Fondation Eugène Devic EDMUS contre la Sclérose en Plaques, Hôpital Neurologique Pierre Wertheimer, Hospices Civils de Lyon, Lyon, France/Centre des Neurosciences de Lyon, INSERM 1028 et CNRS UMR5292, Lyon, France/Faculté de Médecine Lyon-Est, Université Claude Bernard Lyon 1, Villeurbanne, France.
authors.forename: Sandra
authors.initials: S
authors.lastname: Vukusic
mesh_terms: D000328:Adult; D000367:Age Factors; D017668:Age of Onset; D018450:Disease Progression; D006801:Humans; D020528:Multiple Sclerosis, Chronic Progressive / Q000453:epidemiology / Q000503:physiopathology