Correction
After publication of this work [1], we noted that we inadvertently failed to include the complete list of all coauthors. The full list of authors has now been added and the Authors' contributions and Competing interests section modified accordingly.
Competing interests
Dr Braun and Dr Sieper have held consultancies and received research honoraria, speaker's honoraria and grants/research support from Centocor, Schering-Plough, Essex Pharma, Wyeth and Abbott. Dr Zeidler has received speaker's honoraria from Essex Pharma. Dr Burmester has held consultancies for Centocor, Essex Pharma, Wyeth and Abbott; has received honoraria from Centocor, Essex Pharma, Wyeth and Abbott; has been a member of a speaker's bureau for Centocor, Essex Pharma, Wyeth and Abbott; and has received grants/research support from Centocor, Essex Pharma and Abbott. The other authors declare no conflicts of interest.
Authors' contributions
XB: Preparation of data analysis, preparation of the manuscript and study coordination; JL, AZ: Data analysis and statistical evaluation; JB, MR: Monitoring and investigation of the patients and study coordination; RA, GB, EG-I, HK, MS, HS, HZ: clinical investigation; JS: Investigator, writing of the manuscript; JB: Idea, writing of the manuscript, prinicipal investigator and responsible for the study.
References
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Baraliakos X, Listing J, Brandt J, Rudwaleit M, Sieper , Braun J: Clinical response to withdrawal of anti-TNF therapy in patients with ankylosing spondylitis (AS) after 3 years of continuous treatment with Infliximab.
Arthritis Res Ther 2005, 7:R439-R444. PubMed Abstract | BioMed Central Full Text



