Published Online: October 28, 2013. doi:10.1001/jamainternmed.2013.11821.
Study concept and design: Brownell, Wang, Hsia.
Analysis and interpretation of data: All authors.
Drafting of the manuscript: Brownell, Wang.
Critical revision of the manuscript for important intellectual content: All authors.
Obtained funding: Hsia.
Administrative, technical, and material support: Brownell.
Study supervision: Smith, Stephens, Hsia.
Conflict of Interest Disclosures: None reported.
Funding/Support: This project was supported by University of California, San Francisco Clinical and Translational Science Institute grant KL2 TR000143 from the National Center for Advancing Translational Sciences, National Institutes of Health (Dr Hsia) and by the Robert Wood Johnson Foundation Physician Faculty Scholars Program (Dr Hsia).
Role of the Sponsor: The sponsors had no role in the design and conduct of the study; collection, management, analysis, and interpretation of data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Additional Contributions: Amy Markowitz, JD, provided insightful comments on the manuscript.