Accepted for Publication: December 20, 2014.
Published Online: March 2, 2015. doi:10.1001/jamainternmed.2014.8347.
Study concept and design: Luu, Blot, Shu.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Luu, Blot, Shu.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Luu, Cai.
Obtained funding: Blot, Signorello, Zheng, Shu.
Administrative, technical, or material support: Xiang, Cai, Li, Gao, Zheng.
Study supervision: Luu, Gao, Zheng, Shu.
Conflict of Interest Disclosures: None reported.
Funding/Support: This work was supported by grants from the US National Cancer Institute (R37 CA070867 (principal investigator: Dr Zheng), R01 CA082729 and UM1 CA173640 (principal investigator: Dr Shu), and R01 CA092447 (principal investigators: Drs Blot and Zheng).
Role of the Funder/Sponsor: The funding organizations 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: Opinions expressed in this article are those of the authors and do not represent the official opinion of the US National Cancer Institute.
Additional Contributions: We thank all research teams and participants of the SCCS, SMHS, and SWHS. Bethanie Rammer, BA, and Nan Kennedy, BA (Division of Epidemiology, Department of Medicine, Vanderbilt University), edited the manuscript. There was no financial compensation.