1. Department of Environmental Health Sciences, College of Public Health, University of Georgia, Athens, GA, USA;
2. Oak Ridge Institute for Science and Education, Oak Ridge, TN, USA;
3. Integrated Systems Toxicology Division, National Health and Environmental Effects Research Laboratory, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA;
4. Division of Environmental Health Sciences, College of Public Health, The Ohio State University, Columbus, OH, USA;
5. Nicholas School of the Environment and Duke Global Health Institute, Duke University, Durham, NC, USA;
6. Department of Environmental and Occupational Health Sciences, School of Public Health, University of Washington, Seattle, WA, USA;
7. Department of Epidemiology and Biostatistics, College of Public Health, University of Georgia, Athens, GA, USA