Corrections

Nathan Vastesaeger, Désirée van der Heijde, Robert D Inman et al. Predicting the outcome of ankylosing spondylitis therapy. Ann Rheum Dis 2011;70:973–981. Funding was incorrectly published as: BVC is a postdoctoral researcher supported by the FWO Flanders. The correct funding should be published as follows: Funding for the original studies was provided by Centocor Research & Development, a fully-owned subsidiary of Johnson & Johnson [now Janssen Research & Development, LLC] and Schering-Plough Corporation [now Merck, Sharp & Dohme Corporation]. The competing interests should be published as follows: NV and YW are or were employees of Schering-Plough Corporation, [now Merck, Sharp & Dohme Corporation] at the time of the study and own(ed) MSD stock. BH and MUR are or were employees of Centocor Research & Development, a fully-owned subsidiary of Johnson & Johnson [now Janssen Research & Development, LLC] at the time of the study and own(ed) stock in Johnson & Johnson. DvdH, RDI, PG, EC and JB, none. AD has received payments for educational lectures, teleconferences and serving on advisory boards for Centocor Research & Development [now Janssen Research & Development, LLC]. This potential conflict of interest has been reviewed and managed by OHSU. BVC was a postdoctoral researcher supported by the FWO Flanders. BD has received research grants from Wyeth, Abbott and Schering-plough. JS, speakers' bureau, consultancy, research support from: Wyeth/Pfizer, Merck Sharp Dohme/Schering Plough, Abbott Immunology Pharmaceuticals, UCB.