About the Authors
- John D. Beard
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Roles Conceptualization, Data curation, Formal analysis, Methodology, Resources, Software, Visualization, Writing – original draft, Writing – review & editing
Current address: Department of Health Science, College of Life Sciences, Brigham Young University, Provo, Utah, United States of America
Affiliations Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America, Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina, United States of America
- Lawrence S. Engel
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Roles Formal analysis, Methodology, Supervision, Writing – review & editing
Affiliation Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
- David B. Richardson
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Roles Formal analysis, Methodology, Writing – review & editing
Affiliation Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
- Marilie D. Gammon
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Roles Formal analysis, Methodology, Writing – review & editing
Affiliation Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
- Coleen Baird
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Roles Writing – review & editing
Affiliation Environmental Medicine Program, US Army Public Health Command, Aberdeen Proving Ground, Maryland, United States of America
- David M. Umbach
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Roles Writing – review & editing
Affiliation Biostatistics and Computational Biology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina, United States of America
- Kelli D. Allen
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Roles Conceptualization, Investigation, Methodology, Project administration, Resources, Supervision, Writing – review & editing
Affiliations Durham VA Medical Center, Durham, North Carolina, United States of America, Department of Medicine and Thurston Arthritis Research Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America
- Catherine L. Stanwyck
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Roles Investigation, Project administration, Resources, Writing – review & editing
Affiliations Durham VA Medical Center, Durham, North Carolina, United States of America, Department of Medicine, Duke University Medical Center, Durham, North Carolina, United States of America
- Jean Keller
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Roles Data curation, Formal analysis, Methodology, Resources, Software, Writing – review & editing
Affiliation Westat, Inc., Durham, North Carolina, United States of America
- Dale P. Sandler
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Roles Funding acquisition, Writing – review & editing
Affiliation Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina, United States of America
- Silke Schmidt
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Roles Conceptualization, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Writing – review & editing
Affiliation Department of Medicine, Duke University Medical Center, Durham, North Carolina, United States of America
- Freya Kamel
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Roles Conceptualization, Formal analysis, Methodology, Project administration, Supervision, Writing – review & editing
* E-mail: kamel@niehs.nih.gov
Affiliation Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina, United States of America
Competing Interests
Jean Keller is employed by Westat, Inc. There are no patents, patent applications, or products in development or for market 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. The other authors declare they have no competing interests.