Accepted for Publication: July 5, 2012.
Published Online: May 6, 2013. doi:10.1001/jamaneurol.2013.1959
Study concept and design: Cosentino, Schupf, Christensen, Newman, and Mayeux.
Acquisition of data: Christensen, Andersen, Newman, and Mayeux.
Analysis and interpretation of data: Cosentino, Schupf, Andersen, and Mayeux.
Drafting of the manuscript: Cosentino, Schupf, and Mayeux.
Critical revision of the manuscript for important intellectual content: Cosentino, Christensen, Andersen, Newman, and Mayeux.
Statistical analysis: Cosentino and Schupf.
Obtained funding: Newman.
Administrative, technical, and material support: Christensen, Andersen, and Mayeux.
Study supervision: Newman and Mayeux.
Conflict of Interest Disclosures: None reported.
Funding/Support: This work was supported by cooperative agreements U01-AG023712, U01-AG23744, U01-AG023746, U01-AG023749, and U01-AG023755 from the National Institute on Aging and by grant K23AG032899 from the National Institute on Aging and the American Federation of Aging Research. The Danish 1905 cohort is supported by grant P01 AG08761 from the National Institute on Aging. The Danish Aging Research Center is supported by the VELUX Foundation.