title: Active and progressive: a new duality of MS classification.
authors.affiliation: From the Department of Neurology (A.H.C.), Washington University School of Medicine, St. Louis, MO; the Department of Neurology (D.M.W.), Mayo Clinic, Scottsdale, AZ; and the Department of Neurology (B.G.W.), Mayo Clinic, Rochester, MN. crossa@neuro.wustl.edu.
authors.forename: Anne H
authors.initials: AH
authors.lastname: Cross
authors.affiliation: From the Department of Neurology (A.H.C.), Washington University School of Medicine, St. Louis, MO; the Department of Neurology (D.M.W.), Mayo Clinic, Scottsdale, AZ; and the Department of Neurology (B.G.W.), Mayo Clinic, Rochester, MN.
authors.forename: Dean M
authors.initials: DM
authors.lastname: Wingerchuk
authors.affiliation: From the Department of Neurology (A.H.C.), Washington University School of Medicine, St. Louis, MO; the Department of Neurology (D.M.W.), Mayo Clinic, Scottsdale, AZ; and the Department of Neurology (B.G.W.), Mayo Clinic, Rochester, MN.
authors.forename: Brian G
authors.initials: BG
authors.lastname: Weinshenker
mesh_terms: D002986:Clinical Trials as Topic / Q000592:standards*; D006801:Humans; D009103:Multiple Sclerosis / Q000145:classification*; D012955:Societies, Medical / Q000592:standards*