Study concept and design: Robbins, Jemal.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Robbins, Han.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Robbins, Han.
Administrative, technical, or material support: Robbins, Han, Ward, Jemal.
Study supervision: Ward, Jemal.
Conflict of Interest Disclosures: The authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest and none were reported.
Funding/Support: This work was supported by the Intramural Research Department of the American Cancer Society.
Role of the Funder/Sponsor: The American Cancer Society 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.
Disclaimer: The opinions expressed are solely the responsibility of the authors and do not necessarily reflect the official views of the American Cancer Society.