About the Authors

Brock C. Christensen

Affiliations Department of Pathology and Laboratory Medicine, Brown University, Providence, Rhode Island, United States of America, Department of Community Health, Center for Environmental Health and Technology, Brown University, Providence, Rhode Island, United States of America

Karl T. Kelsey

Affiliations Department of Pathology and Laboratory Medicine, Brown University, Providence, Rhode Island, United States of America, Department of Community Health, Center for Environmental Health and Technology, Brown University, Providence, Rhode Island, United States of America

Shichun Zheng

Affiliation Department of Neurological Surgery, Helen Diller Family Cancer Center, University of California San Francisco, San Francisco, California, United States of America

E. Andres Houseman

Affiliations Department of Community Health, Center for Environmental Health and Technology, Brown University, Providence, Rhode Island, United States of America, Department of Biostatistics, Harvard School of Public Health, Boston, Massachusetts, United States of America

Carmen J. Marsit

Affiliations Department of Pathology and Laboratory Medicine, Brown University, Providence, Rhode Island, United States of America, Department of Community Health, Center for Environmental Health and Technology, Brown University, Providence, Rhode Island, United States of America

Margaret R. Wrensch

Affiliation Department of Neurological Surgery, Helen Diller Family Cancer Center, University of California San Francisco, San Francisco, California, United States of America

Joseph L. Wiemels

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

Heather H. Nelson

Affiliation Masonic Cancer Center, Division of Epidemiology and Community Health, University of Minnesota, Minneapolis, Minnesota, United States of America

Margaret R. Karagas

Affiliation Section of Biostatistics and Epidemiology, Department of Community and Family Medicine, Dartmouth Medical School, Lebanon, New Hampshire, United States of America

Lawrence H. Kushi

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

Marilyn L. Kwan

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

John K. Wiencke

John.Wiencke@UCSF.edu

Affiliation Department of Neurological Surgery, Helen Diller Family Cancer Center, University of California San Francisco, San Francisco, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BCC KTK CJM MRW JLW HHN MRK LHK MLK JKW. Performed the experiments: BCC SZ. Analyzed the data: BCC SZ EAH CJM. Contributed reagents/materials/analysis tools: KTK EAH LHK MLK JKW. Wrote the paper: BCC KTK CJM MRW JLW HHN MRK LHK MLK JKW.