title: NMO spectrum disorders: how wide is the spectrum?
authors.affiliation: Centre d'Esclerosi Múltiple de Catalunya (Cemcat)/Neuroimmunology, Hospital Universitari Vall d'Hebron; Universitat Autònoma de Barcelona, Barcelona, Spain.
authors.forename: Georgina
authors.initials: G
authors.lastname: Arrambide
authors.affiliation: Magnetic Resonance Unit (IDI), Hospital Universitari Vall d'Hebron,Universitat Autònoma de Barcelona, Barcelona, Spain.
authors.forename: Alex
authors.initials: A
authors.lastname: Rovira
authors.affiliation: Centre d'Esclerosi Múltiple de Catalunya (Cemcat)/Neuroimmunology, Hospital Universitari Vall d'Hebron; Universitat Autònoma de Barcelona, Barcelona, Spain.
authors.forename: Carmen
authors.initials: C
authors.lastname: Tur
authors.affiliation: Centre d'Esclerosi Múltiple de Catalunya (Cemcat)/Neuroimmunology, Hospital Universitari Vall d'Hebron; Universitat Autònoma de Barcelona, Barcelona, Spain xavier.montalban@cem-cat.org.
authors.forename: Xavier
authors.initials: X
authors.lastname: Montalban
mesh_terms: D051401:Aquaporin 4 / Q000276:immunology; D001323:Autoantibodies / Q000097:blood; D015415:Biomarkers / Q000097:blood; D001706:Biopsy; D018450:Disease Progression; D006801:Humans; D007074:Immunoglobulin G / Q000097:blood; D009471:Neuromyelitis Optica / Q000097:blood / Q000145:classification / Q000175:diagnosis* / Q000276:immunology; D011237:Predictive Value of Tests; D011379:Prognosis; D012698:Serologic Tests
chemical_list: C496030:AQP4 protein, human; D051401:Aquaporin 4; D001323:Autoantibodies; D015415:Biomarkers; D007074:Immunoglobulin G