Submitted for Publication: October 1, 2013; final revision received January 17, 2014; accepted March 3, 2014.
Published Online: June 18, 2014. doi:10.1001/jamapsychiatry.2014.420.
Study concept and design: Hoffmann, Windham, Croen, Grether, Risch.
Acquisition, analysis, or interpretation of data: Hoffmann, Windham, Anderson, Risch.
Drafting of the manuscript: Hoffmann, Windham, Grether, Risch.
Critical revision of the manuscript for important intellectual content: Hoffmann, Windham, Anderson, Croen, Grether.
Statistical analysis: Hoffmann, Anderson, Risch.
Obtained funding: Risch.
Study supervision: Windham, Grether, Risch.
Conflict of Interest Disclosures: None reported.
Funding/Support: This work was supported by funds from the Institute for Human Genetics, University of California, San Francisco, and by grant R25 CA112355 from the National Cancer Institute.
Role of the 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.