Factors influencing long-term outcomes in relapsing-remitting multiple sclerosis: PRISMS-15. Kappos L, Kuhle J, Multanen J, Kremenchutzky M, Verdun di Cantogno E, Cornelisse P, Lehr L, Casset-Semanaz F, Issard D, Uitdehaag B M J Neurol Neurosurg Psychiatry. 2015 Sep 15. PMID: 26374702. Abstract CommentRecommendBookmarkWatch