Submitted for Publication: February 27, 2014; final revision received May 14, 2014; accepted June 24, 2014.
Published Online: November 12, 2014. doi:10.1001/jamapsychiatry.2014.1604.
Study concept and design: Belden, Barch, Botteron, Luby.
Acquisition, analysis, or interpretation data: Belden, Barch, Harms, Botteron, Luby.
Drafting of the manuscript: Belden, Barch, Oakberg, April, Luby.
Critical revision of the manuscript for important intellectual content: Belden, Barch, Harms, Luby.
Statistical analysis: Belden, Barch.
Obtained funding: Belden, Barch, Botteron, Luby.
Administrative, technical, or material support: Oakberg, April, Harms.
Study supervision: Belden, Barch, Botteron, Luby.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was supported by grants 2R01 MH064769-06A1 (Dr Luby) and PA-07-070 NIMH R01 (Drs Barch, Botteron, and Luby) from the National Institutes of Health. Dr Belden’s work on this article was supported by grant 5K01MH090515-04 from the National Institutes of 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 decision to submit the manuscript for publication.
Additional Contributions: We acknowledge our child participants and their parents, whose participation and cooperation made this research possible.