Published Online: February 18, 2015. doi:10.1001/jamapsychiatry.2014.2470.
Study concept and design: Pietrzak, Neumeister, Krystal, Harpaz-Rotem.
Acquisition, analysis, or interpretation of data: Pietrzak, Averill, Abdallah, Neumeister, Levy, Harpaz-Rotem.
Drafting of the manuscript: Pietrzak.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Pietrzak, Averill.
Obtained funding: Neumeister, Krystal, Harpaz-Rotem.
Administrative, technical, or material support: Pietrzak.
Study supervision: Abdallah, Neumeister, Krystal, Levy.
Conflict of Interest Disclosures: Dr Pietrzak is a scientific consultant to Cogstate Ltd. Dr Abdallah has received consultation fees from Genentech. Dr Krystal consults for several pharmaceutical and biotechnology companies. No other disclosures were reported.
Funding/Support: Preparation of this study was supported in part by the Clinical Neurosciences Division of the US Department of Veterans Affairs National Center for Posttraumatic Stress Disorder, grant K23 MH-101498 from the National Institutes of Health (Dr Abdallah), and a private donation.
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.
Disclaimer: The views and opinions expressed in this report are those of the authors and should not be construed to represent the views of sponsoring organizations, agencies, or the US government.