Published Online: December 17, 2012. doi:10.1001/2013.jamainternmed.1034
Author Contributions:Study concept and design: Kim, Acquisition of data: Kim and Sharma. Analysis and interpretation of data: Kim, Sharma, and Ortendahl. Drafting of the manuscript: Kim, Critical revision of the manuscript for important intellectual content: Sharma and Ortendahl. Statistical analysis: Sharma and Ortendahl. Obtained funding: Kim. Administrative, technical, and material support: Sharma and Ortendahl. Study supervision: Kim.
Conflict of Interest Disclosures: None reported.
Funding/Support: The authors are supported in part by grants from the National Cancer Institute (U54 CA164336-01) and the Bill and Melinda Gates Foundation (No. 30505) for related work in developing countries.
Role of the Sponsor: The funding sources had no 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.