About the Authors

John Paul Wright

Affiliation Cincinnati Children's Environmental Health Center, Division of Criminal Justice, University of Cincinnati, Cincinnati, Ohio, United States of America

Kim N Dietrich

To whom correspondence should be addressed. E-mail: kim.dietrich@uc.edu

Affiliation Cincinnati Children's Environmental Health Center, Division of Epidemiology and Biostatistics, Department of Environmental Health, University of Cincinnati College of Medicine, Cincinnati, Ohio, United States of America

M. Douglas Ris

Affiliation Cincinnati Children's Environmental Health Center, Cincinnati Children's Hospital Medical Center, Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, United States of America

Richard W Hornung

Affiliation Cincinnati Children's Environmental Health Center, Cincinnati Children's Hospital Medical Center, Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, United States of America

Stephanie D Wessel

Affiliation Cincinnati Children's Environmental Health Center, Division of Epidemiology and Biostatistics, Department of Environmental Health, University of Cincinnati College of Medicine, Cincinnati, Ohio, United States of America

Bruce P Lanphear

Affiliation Cincinnati Children's Environmental Health Center, Cincinnati Children's Hospital Medical Center, Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, United States of America

Mona Ho

Affiliation Cincinnati Children's Environmental Health Center, Cincinnati Children's Hospital Medical Center, Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, United States of America

Mary N Rae

Affiliation Cincinnati Children's Environmental Health Center, Division of Epidemiology and Biostatistics, Department of Environmental Health, University of Cincinnati College of Medicine, Cincinnati, Ohio, United States of America

Competing Interests

Two of the study's authors, BPL and RH, are on the editorial board of PLoS Medicine. BPL and KND sporadically serve as expert witnesses without personal financial gain.

Author Contributions

JPW, KND, MDR, and BPL designed the experiments/the study. SDW and KND collected data or did experiments for the study. RWH, MH and JPW analyzed the data. KND and SDW enrolled patients. JPW and KND wrote the first draft of the paper. JPW, KND, MDR, RWH, SDW, BPL, and MNR contributed to writing the paper.