PT - JOURNAL ARTICLE ED - , TI - Correction AID - 10.3899/jrheum.080169C1 DP - 2009 May 01 TA - The Journal of Rheumatology PG - 1091--1091 VI - 36 IP - 5 4099 - http://www.jrheum.org/content/36/5/1091.1.short 4100 - http://www.jrheum.org/content/36/5/1091.1.full SO - J Rheumatol2009 May 01; 36