Submitted for Publication: December 17, 2014; final revision received February 27, 2015; accepted March 1, 2015.
Published Online: April 1, 2015. doi:10.1001/jamapsychiatry.2015.0346.
Study concept and design: Agerbo, Sullivan, Pedersen.
Acquisition, analysis, or interpretation of data: Agerbo, Vilhjálmsson, Pedersen, Mors, Børglum, Hougaard, Hollegaard, Meier, Mattheisen, Ripke, Wray, Mortensen.
Drafting of the manuscript: Agerbo.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Agerbo, Ripke.
Obtained funding: Sullivan, Mors, Børglum, Mortensen.
Administrative, technical, or material support: Agerbo, Vilhjálmsson, Pedersen, Mors, Børglum, Hougaard, Hollegaard, Mattheisen, Mortensen.
Study supervision: Mors.
Conflict of Interest Disclosures: Dr Sullivan was on the scientific advisory board of Expression Analysis (Durham, North Carolina). This study received support from H. Lundbeck A/S. No other disclosures were reported.
Funding/Support: This study was supported by grants from the Danish Strategic Research Council, the Faculty of Health Sciences at Aarhus University, the Lundbeck Foundation, the Stanley Medical Research Institute, and a European Research Council advanced grant (Dr Mortensen; GA 294838). Dr Wray acknowledges funding from the Australian National Health and Medical Research Council (grants 613602 and 1047956).
Role of the Funder/Sponsor: The funders 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.