About the Authors

Iona Cheng

icheng@crch.hawaii.edu

Affiliation Epidemiology Program, Cancer Research Center of Hawai'i, University of Hawai'i, Honolulu, Hawai'i, United States of America

John S. Witte

Affiliation Department of Epidemiology and Biostatistics and Institute of Human Genetics, University of California San Francisco, San Francisco, California, United States of America

Steven J. Jacobsen

Affiliation Department of Research and Evaluation, Kaiser Permanente Southern California, Pasadena, California, United States of America

Reina Haque

Affiliation Department of Research and Evaluation, Kaiser Permanente Southern California, Pasadena, California, United States of America

Virginia P. Quinn

Affiliation Department of Research and Evaluation, Kaiser Permanente Southern California, Pasadena, California, United States of America

Charles P. Quesenberry

Affiliation Division of Research, Kaiser Permanente Northern California, Oakland, California, United States of America

Bette J. Caan

Affiliation Division of Research, Kaiser Permanente Northern California, Oakland, California, United States of America

Stephen K. Van Den Eeden

Affiliation Division of Research, Kaiser Permanente Northern California, Oakland, California, United States of America

Competing Interests

Steven Jacobsen: (>$10k) disclosure – funding from Beckman Coulter; commercial research grant.

Author Contributions

Conceived and designed the experiments: IC JW SVDE. Analyzed the data: IC JW. Contributed reagents/materials/analysis tools: VQ BC SVDE. Wrote the paper: IC JW SJ RH VQ CQ BC SVDE.