Submitted for Publication: June 9, 2014; final revision received August 1, 2014; accepted September 13, 2014.
Published Online: January 28, 2015. doi:10.1001/jamapsychiatry.2014.2476.
Study concept and design: Pietrzak, Lim, Ames, Ellis, Masters, Maruff.
Acquisition, analysis, or interpretation of data: Pietrzak, Lim, Neumeister, Ellis, Harrington, Lautenschlager, Restrepo, Martins, Villemagne, Rowe, Maruff.
Drafting of the manuscript: Pietrzak, Lim, Restrepo, Maruff.
Critical revision of the manuscript for important intellectual content: Pietrzak, Lim, Neumeister, Ames, Ellis, Harrington, Lautenschlager, Martins, Masters, Villemagne, Rowe, Maruff.
Statistical analysis: Pietrzak, Restrepo, Maruff.
Obtained funding: Ames, Ellis, Martins, Masters, Rowe, Maruff.
Administrative, technical, or material support: Lim, Ames, Ellis, Rowe, Maruff.
Study supervision: Neumeister, Ames, Ellis, Lautenschlager, Maruff.
Conflict of Interest Disclosures: Dr Pietrzak reported working as a scientific consultant and Dr Maruff reported working as a full-time employee of Cogstate Ltd, which provided some of the cognitive tests used in this study. No other disclosures were reported.
Funding/Support: Funding for the Australian Imaging, Biomarkers, and Lifestyle Study was provided in part by the study partners (Commonwealth Scientific Industrial and Research Organization, Edith Cowan University, Mental Health Research Institute, National Ageing Research Institute, Austin Health, and Cogstate Ltd). The study also received support from the National Health and Medical Research Council and the Dementia Collaborative Research Centres program, as well as funding from the Science and Industry Endowment Fund and the Cooperative Research Centre for Mental Health.
Role of the Funder/Sponsor: The funding source had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and the decision to submit the manuscript for publication.
Australian Imaging, Biomarkers, and Lifestyle Research Group: A list of the members of the Australian Imaging, Biomarkers, and Lifestyle Research Group is available at http://aibl.csiro.au/about/aibl-research-team/.