Study concept and design: Siu, Grossman, Davidson, Ebell, Garcia, Owens, Phillips, Pignone.
Acquisition, analysis, or interpretation of data: Siu, Bibbins-Domingo, Baumann, Gillman, Herzstein, Kemper, Krist, Kurth, Phillips, Phipps, Pignone.
Drafting of the manuscript: Siu, Davidson, Ebell, Herzstein, Phillips.
Critical revision of the manuscript for important intellectual content: Siu, Bibbins-Domingo, Grossman, Baumann, Garcia, Gillman, Kemper, Krist, Kurth, Owens, Phillips, Phipps, Pignone.
Statistical analysis: Phillips.
Administrative, technical, or material support: Siu, Grossman, Davidson, Kurth, Phillips.
Study supervision: Siu, Garcia, Krist, Owens, Phillips.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest and none were reported. Authors followed the policy regarding conflicts of interest described at http://www.uspreventiveservicestaskforce.org/Page/Name/conflict-of-interest-disclosures.
Funding/Support: The USPSTF is an independent, voluntary body. The US Congress mandates that the Agency for Healthcare Research and Quality (AHRQ) support the operations of the USPSTF.
Role of the Funder/Sponsor: AHRQ staff assisted in the following: development and review of the research plan, commission of the systematic evidence review from an Evidence-based Practice Center, coordination of expert review and public comment of the draft evidence report and draft recommendation statement, and the writing and preparation of the final recommendation statement and its submission for publication. AHRQ staff had no role in the approval of the final recommendation statement or the decision to submit for publication.
Disclaimer: Recommendations made by the USPSTF are independent of the US government. They should not be construed as an official position of the AHRQ or the US Department of Health and Human Services.
Additional Contributions: We thank Elisabeth Kato, MD, MRP, of AHRQ, who contributed to the writing of the manuscript, and Lisa Nicolella, MA, of AHRQ, who assisted with coordination and editing.