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 1080 OP 1080 DO 10.1136/ard.2008.099408.corr1 VO 68 IS 6 YR 2009 UL http://ard.bmj.com/content/68/6/1080.3.abstract AB