Published Online: July 20, 2014. doi:10.1001/jama.2014.9087.
Study concept and design: Thirumurthy, Lanham, Evens, Agot.
Acquisition, analysis, or interpretation of data: Thirumurthy, Masters, Rao, Bronson, Lanham, Omanga, Evens, Agot.
Drafting of the manuscript: Thirumurthy.
Critical revision of the manuscript for important intellectual content: Thirumurthy, Masters, Rao, Bronson, Lanham, Omanga, Evens, Agot.
Statistical analysis: Thirumurthy, Masters.
Obtained funding: Thirumurthy, Agot.
Administrative, technical, or material support: Thirumurthy, Rao, Lanham, Omanga, Evens, Agot.
Study supervision: Thirumurthy, Rao, Bronson, Omanga, Agot.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest and none were reported.
Funding/Support: The study was funded by the Bill and Melinda Gates Foundation (grant OPP1069673). Dr Thirumurthy reports receipt of support from the Eunice Kennedy Shriver National Institute of Child Health and Human Development (grant K01HD061605).
Role of the Sponsors: The funders 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.