Correspondence: Frank B. Hu, MD, PhD, Departments of Nutrition and Epidemiology, Harvard School of Public Health, 655 Huntington Ave, Boston, MA 02115 (frank.hu@channing.harvard.edu).
Accepted for Publication: December 20, 2011.
Published Online: March 12, 2012. doi:10.1001/archinternmed.2011.2287
Author Contributions: Drs Pan and Hu had full access to all the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis. Study concept and design: Pan, Willett, and Hu. Acquisition of data: Manson, Stampfer, Willett, and Hu. Analysis and interpretation of data: Pan, Sun, Bernstein, Schulze, Manson, Stampfer, Willett, and Hu. Drafting of the manuscript: Pan. Critical revision of the manuscript for important intellectual content: Sun, Bernstein, Schulze, Manson, Stampfer, Willett, and Hu. Statistical analysis: Pan, Sun, and Hu. Obtained funding: Manson, Stampfer, Willett, and Hu. Administrative, technical, and material support: Manson, Stampfer, Willett, and Hu. Study supervision: Manson, Stampfer, Willett, and Hu.
Financial Disclosure: None reported.
Funding/Support: This study was supported by grants DK58845, CA55075, CA87969, HL34594, and 1U54CA155626-01 from the National Institutes of Health and by career development award K99HL098459 from the National Heart, Lung, and Blood Institute (Dr Sun).
Role of the Sponsors: The funding sources were not involved in the data collection, data analysis, manuscript writing, and publication.
Additional Contributions: We are indebted to the participants in the HPFS and the NHS for their continuing outstanding support and to colleagues working in these studies for their valuable help. In addition, we thank the following state cancer registries for their help: Alabama, Arizona, Arkanas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Nebraska, New Hampshire, New Jersey, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas, Virginia, Washington, and Wyoming.