Submitted for Publication: December 31, 2013; final revision received April 3, 2014; accepted May 21, 2014.
Published Online: September 17, 2014. doi:10.1001/jamapsychiatry.2014.1208.
Study concept and design: Mason, Roberts, Koenen, Rich-Edwards.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Mason, Roberts, Rich-Edwards.
Critical revision of the manuscript for important intellectual content: Flint, Roberts, Agnew-Blais, Koenen, Rich-Edwards.
Statistical analysis: Mason, Roberts, Agnew-Blais, Rich-Edwards.
Obtained funding: Rich-Edwards.
Administrative, technical, or material support: Flint, Roberts, Koenen.
Study supervision: Koenen.
Conflict of Interest Disclosures: None reported.
Funding/Support: This project was supported by grants RO1HL081557 and RO1HL064108 from the National Institutes of Health.
Role of the Funder/Sponsor: The National Institutes of Health 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 decision to submit the manuscript for publication.