title: Erratum to: Serum IL-33, a new marker predicting response to rituximab in rheumatoid arthritis.
authors.affiliation: Université Paris 06, AP-HP St-Antoine hospital, Rheumatology Department, INSERM UMRS_938, DHU i2B, Paris, France. jeremie.sellam@aphp.fr.|Service de Rhumatologie, Hôpital Saint-Antoine, 184 rue du Faubourg Saint-Antoine, Paris, 75012, France. jeremie.sellam@aphp.fr.
authors.forename: Jérémie
authors.initials: J
authors.lastname: Sellam
authors.affiliation: Université Paris-Sud, AP-HP Hôpitaux Universitaires Paris-Sud, Rheumatology Department, Center for Immunology of Viral Infections and Autoimmune Diseases INSERM U1184, Le Kremlin Bicêtre, France.
authors.forename: Elodie
authors.initials: E
authors.lastname: Rivière
authors.affiliation: Université Paris 06, AP-HP St-Antoine hospital, Rheumatology Department, INSERM UMRS_938, DHU i2B, Paris, France.
authors.forename: Alice
authors.initials: A
authors.lastname: Courties
authors.affiliation: Biological Immunology Department, ERTICa Research Group, Clermont-Ferrand University Hospital, Clermont-Ferrand, EA4677, France.
authors.forename: Paul-Olivier
authors.initials: PO
authors.lastname: Rouzaire
authors.affiliation: Rheumatology Department, Catholic University of the Sacred Heart, Roma, Italy.
authors.forename: Barbara
authors.initials: B
authors.lastname: Tolusso
authors.affiliation: NIHR Leeds Musculoskeletal Biomedical Research Unit, Leeds Teaching Hospitals NHS Trust, Leeds, UK and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK.
authors.forename: Edward M
authors.initials: EM
authors.lastname: Vital
authors.affiliation: NIHR Leeds Musculoskeletal Biomedical Research Unit, Leeds Teaching Hospitals NHS Trust, Leeds, UK and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK.
authors.forename: Paul
authors.initials: P
authors.lastname: Emery
authors.affiliation: Rheumatology Department, Catholic University of the Sacred Heart, Roma, Italy.
authors.forename: Gianfranco
authors.initials: G
authors.lastname: Ferracioli
authors.affiliation: Rheumatology Department, Clermont-Ferrand University Hospital, Clermont-Ferrand, France.
authors.forename: Martin
authors.initials: M
authors.lastname: Soubrier
authors.affiliation: Université Paris-Sud, AP-HP Hôpitaux Universitaires Paris-Sud, Rheumatology Department, Center for Immunology of Viral Infections and Autoimmune Diseases INSERM U1184, Le Kremlin Bicêtre, France.
authors.forename: Bineta
authors.initials: B
authors.lastname: Ly
authors.affiliation: AP-HP Bicêtre Hospital, Biological Immunology Department, INSERM U1184, Le Kremlin Bicêtre, France.
authors.forename: Houria Hendel
authors.initials: HH
authors.lastname: Chavez
authors.affiliation: AP-HP Bicêtre Hospital, Biological Immunology Department, INSERM U1184, Le Kremlin Bicêtre, France.
authors.forename: Yassine
authors.initials: Y
authors.lastname: Taoufik
authors.affiliation: Department of Rheumatology - Hôpital Cochin, Paris Descartes University, Assistance Publique - Hôpitaux de Paris, INSERM (U1153), Clinical Epidemiology and Biostatistics, PRES Sorbonne Paris-Cité, Paris, France.
authors.forename: Maxime
authors.initials: M
authors.lastname: Dougados
authors.affiliation: Université Paris-Sud, AP-HP Hôpitaux Universitaires Paris-Sud, Rheumatology Department, Center for Immunology of Viral Infections and Autoimmune Diseases INSERM U1184, Le Kremlin Bicêtre, France. xavier.mariette@aphp.fr.|Service de Rhumatologie, Hôpital de Bicêtre, 78 rue du Général Leclerc, Le Kremlin Bicêtre, 94275, France. xavier.mariette@aphp.fr.
authors.forename: Xavier
authors.initials: X
authors.lastname: Mariette