Author Contributions: Drs Pan and Hu had full access to all of the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Pan, Rexrode, Hu.
Acquisition of data: Pan, Sun.
Analysis and interpretation of data: Pan, Sun, Okereke, Rexrode, Hu.
Drafting of the manuscript: Pan.
Critical revision of the manuscript for important intellectual content: Sun, Okereke, Rexrode, Hu.
Statistical analysis: Pan, Sun.
Obtained funding: Rexrode, Hu.
Administrative, technical, or material support: Rexrode, Hu.
Study supervision: Hu.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Dr Hu reported that his institute is receiving a grant from Merck for research on the genetics of diabetes mellitus
Funding/Support: The project was supported by grants HL034594 and HL088521 from the National Institutes of Health. Dr Sun was supported by a career development award K99HL098459 from the National Heart, Lung, and Blood Institute. Dr Okereke was supported by a career development award K08AG029813 from the National Institute on Aging, and R01MH091448 from the National Institute of Mental Health. No other disclosures were reported.
Role of the Sponsor: None of the funding sponsors was involved in the design and conduct of the study; collection, management, analysis, and interpretation of the data; and preparation, review, or approval of the manuscript.
Additional Contributions: We thank Lonneke Wouts, MD, from Department of Psychiatry, Radboud University Nijmegen Medical Centre, the Netherlands, for providing unpublished data, and Til Stürmer, MD, MPH, from School of Public Health, University of North Carolina at Chapel Hill, for clarifying an inquiry of his articles. None of them were compensated.
This article was corrected for errors on November 14, 2011.