Accepted for Publication: January 6, 2011.
Published Online: March 21, 2011. doi:10.1001/archdermatol.2011.44
Author Contributions: All authors had full access to all the data in this study and take responsibility for the integrity of the data and the accuracy of the data analysis. Study concept and design: Hausauer, Swetter, Cockburn, and Clarke. Acquisition of data: Cockburn. Analysis and interpretation of data: Hausauer, Cockburn, and Clarke. Drafting of the manuscript: Hausauer, Cockburn, and Clarke. Critical revision of the manuscript for important intellectual content: Hausauer, Swetter, Cockburn, and Clarke. Statistical analysis: Hausauer, Cockburn, and Clarke. Obtained funding: Hausauer and Clarke. Administrative, technical, or material support: Hausauer and Cockburn. Study supervision: Swetter, Cockburn, and Clarke.
Financial Disclosure: None reported.
Funding/Support: This study was supported in part by developmental cancer research awards from the Stanford Cancer Center and University of California, San Francisco. The collection of cancer incidence data used in this study was supported by the California Department of Public Health as part of the statewide cancer reporting program mandated by California Health and Safety Code Section 103885; the National Cancer Institute's Surveillance, Epidemiology and End Results Program under contract N01-PC-35136 awarded to the Northern California Cancer Center, contract N01-PC-35139 awarded to the University of Southern California, and contract N01-PC-54404 awarded to the Public Health Institute; the Centers for Disease Control and Prevention's National Program of Cancer Registries, under agreement 1U58DP00807-01 awarded to the Public Health Institute; and grant R01 ES015552 from National Institute of Environmental Health Sciences.
Role of the Sponsors: The sponsors had no role in the design and conduct of the study; in the collection, analysis, and interpretation of data; or in the preparation, review, or approval of the manuscript. Endorsement by the State of California, the California Department of Public Health, the National Cancer Institute, the Centers for Disease Control and Prevention, or their contractors and subcontractors is not intended nor should be inferred.
Additional Contributions: We are indebted to the staff of the Cancer Prevention Institute of California, the Stanford Cancer Center, and the University of California, San Francisco Medical Center.
Additional Information: All authors read and approved the final manuscript.