PT - JOURNAL ARTICLE ED - , TI - Correction AID - 10.1136/ard.2010.138693corr1 DP - 2011 Oct 01 TA - Annals of the Rheumatic Diseases PG - 1880--1880 VI - 70 IP - 10 4099 - http://ard.bmj.com/content/70/10/1880.short 4100 - http://ard.bmj.com/content/70/10/1880.full SO - Ann Rheum Dis2011 Oct 01; 70