RT Journal Article SR Electronic T1 Correction JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 1482 OP 1482 DO 10.1136/annrheumdis-2013-204055corr1 VO 74 IS 7 YR 2015 UL http://ard.bmj.com/content/74/7/1482.abstract AB