Author Contributions: Dr Wright had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Denny, Kuhn, Pollack, Wright.
Acquisition of data: Denny, DeSouza, Dupree, Wright.
Analysis and interpretation of data: Denny, Kuhn, Wright.
Drafting of the manuscript: Denny, Kuhn, Pollack, Wright.
Critical revision of the manuscript for important intellectual content: DeSouza, Dupree, Wright.
Statistical analysis: Kuhn, Wright.
Obtained funding: Pollack, Wright.
Administrative, technical, or material support: Denny, DeSouza, Wright.
Study supervision: Wright.
Financial Disclosures: None reported.
Funding/Support: This study was funded by the Bill and Melinda Gates Foundation through a grant to the Alliance for Cervical Cancer Prevention, the Cancer Association of South Africa, and the Department of National Health, South Africa.
Role of the Sponsor: The funding organizations played no role in the design and conduct of the study or data analysis, interpretation of the data, or preparation, review, or approval of the manuscript.