Published Online: February 9, 2015. doi:10.1001/jamainternmed.2014.7968.
Study concept and design: Wang, Kesselheim.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Wang, Kesselheim.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Liu.
Obtained funding: Kesselheim.
Administrative, technical, or material support: Wang.
Study supervision: Kesselheim.
Conflict of Interest Disclosures: None reported.
Funding/Support: Dr Kesselheim is supported by a Harvard Program in Therapeutic Science Ignition Award, and a Greenwall Faculty Scholarship in Bioethics. Dr Kesselheim also reports receiving research funding from the FDA Office of Generic Drugs.
Role of the Funder/Sponsors: The funding sources 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.