About the Authors

Michael C. R. Alavanja

alavanjm@mail.nih.gov

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

Jonathan N. Hofmann

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

Charles F. Lynch

Affiliation College of Public Health, University of Iowa, Iowa City, Iowa, United States of America

Cynthia J. Hines

Affiliation National Institute for Occupational Safety and Health, Cincinnati, Ohio, United States of America

Kathryn H. Barry

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

Joseph Barker

Affiliation IMS, Inc, Calverton, Maryland, United States of America

Dennis W. Buckman

Affiliation IMS, Inc, Calverton, Maryland, United States of America

Kent Thomas

Affiliation National Exposure Research Laboratory, U.S. Environmental Protection Agency, Research Triangle Park, North Carolina, United States of America

Dale P. Sandler

Affiliation Epidemiology Branch, National Institute for Environmental Health Sciences, Research Triangle Park, North Carolina, United States of America

Jane A. Hoppin

Affiliation Epidemiology Branch, National Institute for Environmental Health Sciences, Research Triangle Park, North Carolina, United States of America

Stella Koutros

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

Gabriella Andreotti

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

Jay H. Lubin

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

Aaron Blair

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

Laura E. Beane Freeman

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

Competing Interests

The authors have the following interests. Joseph Barker and Dennis W. Buckman are employed by IMS, Inc. There are no patents, products in development or marketed products to declare. This does not alter the authors’ adherence to all the PLOS ONE policies on sharing data and materials, as detailed online in the guide for authors.

Author Contributions

Conceived and designed the experiments: MCA DPS AB. Performed the experiments: MCA CFL KT CJH. Analyzed the data: MCA JNH CFL CJH KHB JB DWB KT DPS JAH SK GA JHL AB LEB. Contributed reagents/materials/analysis tools: MCA JB DWB CFL. Wrote the paper: MCA LEBF JNH CFL CJH KT AB DWB JHL. Designed the software: JB DWB.