Accepted for Publication: March 5, 2012.
Published Online: October 22, 2012. doi:10.1001/jamaneurol.2013.583
Author Contributions:Study concept and design: Bullain, Corrada, and Kawas. Acquisition of data: Shah, Panzenboeck, and Mozaffar. Analysis and interpretation of data: Bullain, Corrada, and Kawas. Drafting of the manuscript: Bullain. Critical revision of the manuscript for important intellectual content: Bullain, Corrada, Kawas, Shah, Panzenboeck, and Mozaffar. Statistical analysis: Bullain and Corrada. Obtained funding: Kawas. Administrative, technical, and material support: Shah, Panzenboeck, and Mozaffar. Study supervision: Corrada and Kawas.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was supported by grants R01-AG-21055 and T-32AG000096 from the National Institute on Aging.
Disclaimer: The National Institute on Aging had no role in the design and conduct of the study; in the collection, management, analysis, and interpretation of the data; or in the preparation, review, or approval of the article.
Previous Presentation: Presented in part at the American Academy of Neurology 63rd Annual Meeting; April 12, 2011; Honolulu, Hawaii.
Additional Contributions: We thank all participants and their relatives of The 90+ Study.