RT Journal Article SR Electronic T1 Corrections JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 1592 OP 1592 DO 10.1136/ard.2010.143560corr2 VO 71 IS 9 YR 2012 UL http://ard.bmj.com/content/71/9/1592.2.abstract AB