Submitted for Publication: April 3, 2013; final revision received June 28, 2013; accepted August 8, 2013.
Published Online: December 25, 2013. doi:10.1001/jamapsychiatry.2013.3524.
Study concept and design: Monzani, Harris, Mataix-Cols.
Acquisition of data: Harris.
Analysis and interpretation of data: Monzani, Rijsdijk, Mataix-Cols.
Drafting of the manuscript: All authors.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Monzani, Rijsdijk.
Obtained funding: Mataix-Cols.
Administrative, technical, or material support: Harris.
Study supervision: Rijsdijk, Mataix-Cols.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was supported by The Wellcome Trust and the Department of Health via the National Institute for Health Research Comprehensive Biomedical Research Centre award to Guy’s & St Thomas’ National Health Service Foundation Trust, in partnership with King’s College London.
Role of the Sponsor: The funding sources 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.