Accepted for Publication: May 15, 2013.
Published Online: August 26, 2013. doi:10.1001/jamaneurol.2013.3545.
Acquisition of data: Ghani, Sato, Moreno, Mayeux, Rogaeva.
Analysis and interpretation of data: Ghani, Lee, Reitz, Rogaeva.
Drafting of the manuscript: Ghani, Lee, Reitz, St George-Hyslop, Rogaeva.
Critical revision of the manuscript for important intellectual content: Sato, Lee, Reitz, Moreno, Mayeux, St George-Hyslop.
Statistical analysis: Ghani, Lee, Reitz.
Obtained funding: Ghani, Sato, Moreno, Mayeux, St George-Hyslop, Rogaeva.
Administrative, technical, and material support: Mayeux, Rogaeva.
Study supervision: St George-Hyslop, Rogaeva.
Conflict of Interest Disclosures: None reported.
Funding/Support: This work was supported by grants R37-AG15473 (Dr Mayeux) and P01-AG07232 from the National Institute on Aging, National Institutes of Health; by the Blanchett Hooker Rockefeller Foundation; by the Charles S. Robertson Gift from the Banbury Fund (Dr Mayeux); by the W. Garfield Weston Foundation (Dr Rogaeva); by the Canadian Institutes of Health Research; by the Wellcome Trust; by the Medical Research Council; by the National Institutes of Health; by the National Institute of Health Research; by the Ontario Research Fund; and by the Alzheimer Society of Ontario (Dr St George-Hyslop).