1. Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA
2. Exposure, Response, and Technology Branch, Division of Extramural Research and Training, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, Research Triangle Park, North Carolina, USA
3. Department of Molecular and Cell Biology, College of Liberal Arts and Sciences, University of Connecticut, Storrs, Connecticut, USA
4. Department of Chemistry, and
5. Department of Medicine, Washington University, St. Louis, Missouri, USA
6. Department of Environmental Health Sciences, School of Public Health, University of California, Berkeley, Berkeley, California, USA
7. Centre for Research in Environmental Epidemiology (CREAL), Barcelona, Spain