Author Contributions: Drs Wang and Kessler had full access to all the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Wang, Simon, Avorn, Azocar, Ludman, McCulloch, Kessler.
Acquisition of data: Wang, Simon, Azocar, Ludman, McCulloch, Kessler.
Analysis and interpretation of data: Wang, Simon, Azocar, Ludman, McCulloch, Petukhova, Kessler.
Drafting of the manuscript: Wang, Simon, Avorn, Azocar, Ludman, McCulloch, Petukhova, Kessler.
Critical revision of the manuscript for important intellectual content: Wang, Simon, Avorn, Azocar, Ludman, McCulloch, Petukhova, Kessler.
Statistical analysis: Wang, Simon, Petukhova, Kessler.
Obtained funding: Wang.
Administrative, technical, or material support: Wang, Simon, Azocar, Ludman, McCulloch.
Study supervision: Wang, Simon, Ludman, Azocar.
Financial Disclosures: Dr Kessler reports consulting for AstraZeneca, Bristol-Myers Squibb, Eli Lilly & Co, GlaxoSmithKline, Pfizer, and Wyeth and reports receiving research support for his epidemiological studies from Bristol-Myers Squibb, Eli Lilly, Ortho-McNeil, Pfizer, and the Pfizer Foundation. Dr Azocar and Ms McCulloch are both employees of United Behavioral Health and report holding stocks and options from United Health Group. No other authors reported financial conflicts.
Funding/Support: The research reported herein was supported by grant R01 MH61941 from the National Institute of Mental Health (Dr Wang), grant 048123 from the Robert Wood Johnson Foundation (Dr Wang), and an unrestricted educational grant that supported earlier pilot work of this study from the John D. and Catherine T. MacArthur Foundation.
Role of the Sponsor: None of these organizations had any role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; and preparation, review, or approval of the manuscript.