In the version of the article "Secular Trends in Incidence of Atrial Fibrillation in Olmsted County, Minnesota, 1980 to 2000, and Implications on the Projections for Future Prevalence" by Miyasaka et al that published online before print on July 3, 2006, and appeared in the July 11, 2006, issue of the journal, the "Sources of Funding" section stated that Dr Yoko Miyasaka was funded by Kansai Medical University. This statement was incorrect and has been deleted from the current online version.