Accepted for Publication: April 16, 2013.
Published Online: July 1, 2013. doi:10.1001/jamainternmed.2013.7801.
Acquisition of data: Eriksson, Neovius, Bratt, van Vollenhoven, Geborek, Ernestam.
Analysis and interpretation of data: Eriksson, Neovius, van Vollenhoven, Ernestam.
Drafting of the manuscript: Eriksson, Neovius.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Eriksson, van Vollenhoven, Geborek.
Obtained funding: van Vollenhoven.
Administrative, technical, and material support: Neovius, Bratt, Petersson, van Vollenhoven, Ernestam,
Study supervision: Neovius, van Vollenhoven, Geborek.
Conflict of Interest Disclosures: Dr van Vollenhoven reported receiving research support and honoraria from Abbott, GlaxoSmithKline/Human Genome Sciences, Merck Sharp and Dohme, Pfizer, Roche, and Union Chimique Belge Pharma. Dr Neovius reported participating in advisory boards for Pfizer (rheumatology) and Abbott (nonrheumatology; unrelated to the current work); participating in research projects fully or partly funded by Schering-Plough, AstraZeneca, Novo Nordisk, Pfizer, or Roche (unrelated to the current work); and serving as an external consultant (unrelated to rheumatology since 2008) to Pfizer, sanofi-aventis, and Abbott.
Funding/Support: The study was funded by the Swedish Rheumatism Association, Stockholm County, and Schering-Plough/Merck Sharp and Dohme.
Role of the Sponsors: The funding sources had no role in the study design; in the collection, analysis, and interpretation of data; in the writing of the report; or in the decision to submit the paper for publication. Researchers were independent from the funders and sponsors of the study.
Previous Presentation: This study was presented in part at the American College of Rheumatology annual conference; November 6, 2011; Chicago, Illinois.
Additional Contributions: We are indebted to all patients, colleagues, and staff who made the Swefot trial possible.