title: Erratum Corrige.
authors.affiliation: Royal National Hospital for Rheumatic Diseases, Royal United Hospitals Foundation Trust, Bath; and University of Bath, UK.
authors.forename: Sarah
authors.initials: S
authors.lastname: Tansley
authors.affiliation: University of Bath, UK.
authors.forename: Gavin
authors.initials: G
authors.lastname: Shaddick
authors.affiliation: Johns Hopkins University School of Medicine, Baltimore, MD, USA.
authors.forename: Lisa
authors.initials: L
authors.lastname: Christopher-Stine
authors.affiliation: Salford Royal NHS Foundation Trust, UK.
authors.forename: Charlotte
authors.initials: C
authors.lastname: Sharp
authors.affiliation: Department of Dermatology and Venereology, Medical University of Sofia, Bulgaria.
authors.forename: Lyubomir
authors.initials: L
authors.lastname: Dourmishev
authors.affiliation: Department of Rheumatology, University Hospital Zurich, Switzerland.
authors.forename: Britta
authors.initials: B
authors.lastname: Maurer
authors.affiliation: Salford Royal NHS Foundation Trust; National Institute of Health Research Manchester Musculoskeletal Biomedical Research Unit, Centre for Musculoskeletal Research, University of Manchester; and Central Manchester Foundation Trust, UK.
authors.forename: Hector
authors.initials: H
authors.lastname: Chinoy
authors.affiliation: Royal National Hospital for Rheumatic Diseases, Royal United Hospitals Foundation Trust, Bath; and University of Bath, UK.
authors.forename: Neil
authors.initials: N
authors.lastname: McHugh