Published Online: May 27, 2013. doi: 10.1001/jamainternmed.2013.6066
Study concept and design: Taylor.
Acquisition of data: Wang, Fan, Taylor.
Analysis and interpretation of data: Wang, Abnet, Qiao, Taylor.
Drafting of the manuscript: Wang, Abnet, Taylor.
Critical revision of the manuscript for important intellectual content: Wang, Abnet, Fan, Qiao, Taylor.
Statistical analysis: Abnet, Fan, Taylor.
Obtained funding: Taylor.
Administrative, technical, and material support: Abnet, Qiao, Taylor.
Study supervision: Wang, Abnet, Qiao, Taylor.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was sponsored in part by National Cancer Institute contracts N01-SC-91030 and N01-RC-47701 to the Cancer Institute and Hospital, Chinese Academy of Medical Sciences, and by the Intramural Research Program of the Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health.
Additional Contributions: Sanford M. Dawsey, MD, contributed to study concept and design, analysis and interpretation of data, drafting of the manuscript, and critical revision of the manuscript for important intellectual content; and Neal D. Freedman, PhD, contributed to the analysis and interpretation of data, drafting of the manuscript, and critical revision of the manuscript for important intellectual content. We thank the citizens of Linxian who have faithfully participated in these studies over the past 26 years.
Trial Registration: clinicaltrials.gov Identifier: NCT00342654