title: [Report of the Joint Study Unit of SMON. 1].
mesh_terms: D000005:Abdomen; D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D009187:Myelitis / Q000453:epidemiology / Q000209:etiology / Q000276:immunology / Q000382:microbiology / Q000473:pathology / Q000628:therapy; D009902:Optic Neuritis / Q000453:epidemiology / Q000209:etiology / Q000276:immunology / Q000382:microbiology / Q000473:pathology / Q000628:therapy; D010146:Pain; D012737:Sex Factors