title: Overcoming barriers in progressive multiple sclerosis research.
authors.affiliation: National Multiple Sclerosis Society, New York, NY 10017, USA. Electronic address: timothy.coetzee@nmss.org.
authors.forename: Timothy
authors.initials: T
authors.lastname: Coetzee
authors.affiliation: Italian Multiple Sclerosis Foundation, Genoa, Italy.
authors.forename: Paola
authors.initials: P
authors.lastname: Zaratin
authors.affiliation: Dingle, Kerry, Ireland.
authors.forename: Trevis L
authors.initials: TL
authors.lastname: Gleason
mesh_terms: D035843:Biomedical Research / Q000639:trends*; D006801:Humans; D020528:Multiple Sclerosis, Chronic Progressive / Q000175:diagnosis / Q000523:psychology / Q000628:therapy*; D011788:Quality of Life / Q000523:psychology