About the Authors

Penelope P. Howards

penelope.howards@emory.edu

Affiliation Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, Georgia, United States of America

Irva Hertz-Picciotto

Affiliation Division of Environmental and Occupational Health, Department of Public Health Sciences, University of California, Davis, California, United States of America

Bodil H. Bech

Affiliation Section for Epidemiology, Department of Public Health, Aarhus University, Aarhus, Denmark

Ellen A. Nohr

Affiliation Section for Epidemiology, Department of Public Health, Aarhus University, Aarhus, Denmark

Anne-Marie Nybo Andersen

Affiliation Section of Epidemiology, Department of Public Health, University of Copenhagen, Copenhagen, Denmark

Charles Poole

Affiliation Department of Epidemiology, Gillings School of Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America

Jørn Olsen

Affiliation Section for Epidemiology, Department of Public Health, Aarhus University, Aarhus, Denmark

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PPH IHP BHB EAN AMNA CP JO. Analyzed the data: PPH. Contributed reagents/materials/analysis tools: JO. Wrote the paper: PPH IHP BHB EAN AMNA CP JO.