Accepted for Publication: June 17, 2011.
Author Contributions: Drs Lucas, Mirzaei, Okereke, Willett, O’Reilly, Koenen, and Ascherio had full access to all 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: Lucas, Okereke, Willett, Koenen, and Ascherio. Acquisition of data: Lucas, Willett, and Ascherio. Analysis and interpretation of data: Lucas, Mirzaei, Pan, Okereke, Willett, O’Reilly, and Ascherio. Drafting of the manuscript: Lucas and O’Reilly. Critical revision of the manuscript for important intellectual content: Lucas, Mirzaei, Pan, Okereke, Willett, Koenen, and Ascherio. Statistical analysis: Lucas, Pan, Willett, and Ascherio. Obtained funding: Willett and Ascherio. Administrative, technical, and material support: Mirzaei, Okereke, and O’Reilly. Study supervision: Okereke and Ascherio.
Financial Disclosure: None reported.
Funding/Support: The study was supported by National Institutes of Health grant DK58845. Dr Ascherio received a grant from the National Alliance for Research on Schizophrenia and Depression (project 5048070-01). Dr Lucas received a postdoctoral fellowship from the Fonds de recherche en santé du Québec.
Role of the Sponsors: The funding sources were not involved in the data collection, data analysis, manuscript writing, and publication of this article.
Additional Contributions: We thank the Nurses' Health Study participants for their continuing contributions.