Submitted for Publication: May 13, 2013; final revision received December 2, 2013; accepted December 6, 2013.
Published Online: March 26, 2014. doi:10.1001/jamapsychiatry.2013.4540.
Study concept and design: Marsh.
Acquisition of data: All authors.
Analysis and interpretation of data: All authors.
Drafting of the manuscript: Lozier, Cardinale, Marsh.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Lozier, VanMeter, Marsh.
Obtained funding: Marsh.
Administrative, technical, and material support: Cardinale.
Study supervision: VanMeter, Marsh.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was supported by the Eunice Kennedy Shriver National Institute of Child Health and Human Development/National Institutes of Health (grant R03 HD064906-01).
Role of the Sponsor: The funder had no role in the design and conduct of the study; collection, management, analysis, or interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Previous Presentation: This article was presented in part as a poster at the Annual Meeting of the Society for Neuroscience; November 15, 2011; Washington, DC.