Accepted for Publication: November 10, 2014.
Published Online: January 26, 2015. doi:10.1001/jamapediatrics.2014.3212.
Study concept and design: Fox.
Acquisition, analysis, or interpretation of data: Bick, Zhu, Stamoulis, Zeanah, Nelson.
Drafting of the manuscript: Bick, Stamoulis, Fox, Zeanah.
Critical revision of the manuscript for important intellectual content: Zhu, Stamoulis, Fox, Zeanah, Nelson.
Statistical analysis: Bick, Zhu, Stamoulis, Fox, Nelson.
Obtained funding: Fox, Zeanah.
Administrative, technical, or material support: Zhu, Fox, Zeanah, Nelson.
Study supervision: Zeanah.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was supported by the John D. and Catherine T. MacArthur Foundation; by the Binder Family Foundation; by the foundation Help the Children of Romania, Inc; and by grant MH091363 from the National Institute of Mental Health (Dr Nelson).
Role of the Funder/Sponsor: The funding sources 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.