Submitted for Publication: November 20, 2013; final revision received March 28, 2014; accepted April 28, 2014.
Published Online: August 13, 2014. doi:10.1001/jamapsychiatry.2014.1126.
Study concept and design: Bernert, Conwell, Joiner.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Bernert, Turvey.
Critical revision of the manuscript for important intellectual content: Bernert, Conwell, Joiner.
Statistical analysis: Bernert, Turvey.
Administrative, technical, or material support: Bernert, Joiner.
Study supervision: Conwell, Joiner.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was supported in part by grants F31MH080470-01 and K23MH093490 from the National Institutes of Health (Dr Bernert), by grant R49 CE002093 from the Centers for Disease Control and Prevention (Dr Conwell), and by the John Simon Guggenheim Memorial Foundation (Dr Joiner).
Role of the Sponsor: The funding sources had no role in the design and conduct of the study; collection, management, analysis, interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Correction: This article was corrected on November 24, 2014, to fix an error in Figure 1.