Submitted for Publication: February 9, 2014; accepted February 14, 2014.
Published Online: May 21, 2014. doi:10.1001/jamapsychiatry.2014.352.
Study concept and design: Kiefer, Heinz, Gallinat.
Acquisition, analysis, or interpretation of data: Kühn, Charlet, Schubert, Zimmerman, Gallinat.
Drafting of the manuscript: Kühn, Charlet.
Critical revision of the manuscript for important intellectual content: Charlet, Schubert, Kiefer, Zimmerman, Heinz, Gallinat.
Statistical analysis: Kühn.
Obtained funding: Kiefer, Heinz, Gallinat.
Administrative, technical, or material support: Charlet, Schubert, Zimmerman, Heinz, Gallinat.
Study supervision: Kiefer, Gallinat.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was funded by the Federal Ministry of Education and Research, within the frameworks of the National Genome Research Network (NGFN-Plus; grant FKZ 01GS08159), and supported by grant GA707/6-1 from the German Research Foundation (Deutsche Forschungsgemeinschaft, DFG, FOR 1617).
Role of the 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.