Published Online: August 11, 2014. doi:10.1001/jamainternmed.2014.3446.
Study concept and design: Herzog.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Shroff.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Heubner.
Obtained funding: Herzog.
Study supervision: Herzog.
Conflict of Interest Disclosures: Dr Herzog has ownership interest in Johnson & Johnson. No other disclosures are reported.
Funding/Support: This study was supported by a research contract with Ortho-McNeil Janssen Scientific Affairs, LLC.
Role of the Sponsors: Before submission for peer review, the manuscript was reviewed by the sponsor. Comments were sent to the authors, who are solely responsible for the final version. The analysis, interpretation, and reporting of these data are the responsibility of the authors. The funding source had no role in the design and conduct of the study, the collection or management of data, the preparation or approval of the manuscript, or the decision to submit the manuscript for publication.
Additional Contributions: We thank Delaney Berrini, BS, and Nan Booth, MSW, MPH, ELS, paid employees of the Chronic Disease Research Group, Minneapolis Medical Research Foundation, for manuscript preparation and manuscript editing, respectively.