Submitted for Publication: November 13, 2013; final revision received January 22, 2014; accepted February 11, 2014.
Published Online: May 14, 2014. doi:10.1001/jamapsychiatry.2014.343.
Study concept and design: Buchmann, Plichta, Meyer-Lindenberg, Banaschewski, Brandeis, Laucht.
Acquisition, analysis, or interpretation of data: Holz, Boecker, Baumeister, Hohm, Zohsel, Buchmann, Blomeyer, Jennen-Steinmetz, Hohmann, Wolf, Banaschewski, Brandeis.
Drafting of the manuscript: Holz, Baumeister, Laucht.
Critical revision of the manuscript for important intellectual content: Boecker, Hohm, Zohsel, Buchmann, Blomeyer, Jennen-Steinmetz, Hohmann, Wolf, Plichta, Meyer-Lindenberg, Banaschewski, Brandeis.
Statistical analysis: Holz, Hohm, Zohsel, Jennen-Steinmetz, Brandeis.
Obtained funding: Meyer-Lindenberg, Banaschewski, Laucht.
Administrative, technical, or material support: Boecker, Baumeister, Buchmann, Blomeyer, Hohmann, Plichta, Meyer-Lindenberg, Banaschewski, Brandeis.
Study supervision: Buchmann, Wolf, Banaschewski, Brandeis, Laucht.
Conflict of Interest Disclosures: Dr Banaschewski served in an advisory or consultancy role for Hexal Pharmaceuticals, Lilly, Medice, Novartis, Otsuka, Oxford outcomes, PCM Scientific, Shire, and Vifor Pharma. He received conference attendance support and conference support or received speaker’s fees from Lilly, Medice, Novartis, and Shire. He is and has been involved in clinical trials conducted by Lilly, Shire, and Vifor Pharma. Dr Meyer-Lindenberg receives consultant fees and travel expenses from AstraZeneca, Hoffmann–La Roche, and the Lundbeck Foundation and speaker’s fees from Pfizer Pharma, Lilly Deutschland, GlaxoSmithKline, Janssen-Cilag, Bristol-Myers Squibb, Lundbeck, and AstraZeneca. No other disclosures are reported.
Funding/Support: This work was supported by grants from the German Research Foundation to Drs Laucht, Brandeis, Meyer-Lindenberg, and Banaschewski.
Role of the Sponsor: The funding agency 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.
Additional Contributions: We thank the participants for their continued participation and the reviewers for their constructive comments and suggestions. Only the participants received financial compensation.