About the Authors

Matthew A. Davis

mattadav@umich.edu

Affiliations Children's Environmental Health and Disease Prevention Research Center at Dartmouth, Hanover, New Hampshire, United States of America, Institute for Quantitative Biomedical Sciences, Dartmouth College, Hanover, New Hampshire, United States of America, University of Michigan School of Nursing, Ann Arbor, Michigan, United States of America, Section of Biostatistics and Epidemiology, Department of Community and Family Medicine, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire, United States of America

Diane Gilbert-Diamond

Affiliations Children's Environmental Health and Disease Prevention Research Center at Dartmouth, Hanover, New Hampshire, United States of America, Institute for Quantitative Biomedical Sciences, Dartmouth College, Hanover, New Hampshire, United States of America, Section of Biostatistics and Epidemiology, Department of Community and Family Medicine, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire, United States of America

Margaret R. Karagas

Affiliations Children's Environmental Health and Disease Prevention Research Center at Dartmouth, Hanover, New Hampshire, United States of America, Institute for Quantitative Biomedical Sciences, Dartmouth College, Hanover, New Hampshire, United States of America, Section of Biostatistics and Epidemiology, Department of Community and Family Medicine, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire, United States of America

Zhigang Li

Affiliations Children's Environmental Health and Disease Prevention Research Center at Dartmouth, Hanover, New Hampshire, United States of America, Institute for Quantitative Biomedical Sciences, Dartmouth College, Hanover, New Hampshire, United States of America, Section of Biostatistics and Epidemiology, Department of Community and Family Medicine, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire, United States of America

Jason H. Moore

Affiliations Children's Environmental Health and Disease Prevention Research Center at Dartmouth, Hanover, New Hampshire, United States of America, Institute for Quantitative Biomedical Sciences, Dartmouth College, Hanover, New Hampshire, United States of America, Section of Biostatistics and Epidemiology, Department of Community and Family Medicine, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire, United States of America, Department of Genetics, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire, United States of America

Scott M. Williams

Affiliations Institute for Quantitative Biomedical Sciences, Dartmouth College, Hanover, New Hampshire, United States of America, Department of Genetics, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire, United States of America

H. Robert Frost

Affiliations Institute for Quantitative Biomedical Sciences, Dartmouth College, Hanover, New Hampshire, United States of America, Section of Biostatistics and Epidemiology, Department of Community and Family Medicine, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire, United States of America, Department of Genetics, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MAD MRK JHM SMW HRF. Analyzed the data: MAD JHM HRF. Wrote the paper: MAD DGD MRK ZL JHM SMW HRF.