Author Contributions: Dr Jemal 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: Jemal.
Acquisition of data: Jemal.
Analysis and interpretation of data: Jemal,
Ward, Hao, Thun.
Drafting of the manuscript: Jemal.
Critical revision of the manuscript for important
intellectual content: Ward, Hao, Thun.
Statistical analysis: Jemal, Hao.
Study supervision: Ward, Thun.
Financial Disclosures: None reported.
Funding/Support: The American Cancer Society
funded the analysis, interpretation, compilation of cancer surveillance data.
Role of the Sponsor: Staff in the Epidemiology
and Surveillance Research Department of the American Cancer Society designed
and conducted the study, including analysis, interpretation, and presentation
of the manuscript. No staff at the American Cancer Society, other than the
study investigators, reviewed or approved the manuscript.