About the Authors

Sarah S. Cohen

sarah@iei.us

Affiliation International Epidemiology Institute, Rockville, Maryland, United States of America

Charles E. Matthews

Affiliation Division of Cancer Epidemiology and Genetics, Nutritional Epidemiology Branch, National Cancer Institute, Rockville, Maryland, United States of America

Lisa B. Signorello

Affiliation Department of Epidemiology, Harvard School of Public Health, Boston, Massachusetts, United States of America

David G. Schlundt

Affiliation Department of Psychology, Vanderbilt University, Nashville, Tennessee, United States of America

William J. Blot

Affiliations International Epidemiology Institute, Rockville, Maryland, United States of America, Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center, Vanderbilt University School of Medicine; and the Vanderbilt-Ingram Cancer Center, Nashville, Tennessee, United States of America

Maciej S. Buchowski

Affiliations Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center, Vanderbilt University School of Medicine; and the Vanderbilt-Ingram Cancer Center, Nashville, Tennessee, United States of America, Division of Gastroenterology, Hepatology and Nutrition, Department of Medicine, Vanderbilt University School of Medicine, Nashville, Tennessee, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SSC CEM MSB. Analyzed the data: SSC CEM. Contributed reagents/materials/analysis tools: LBS DGS WJB. Wrote the paper: SSC CEM MSB.