1. Division of Translational Toxicology, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Services, Research Triangle Park, North Carolina, USA
2. Nicholas School of the Environment, Duke University, Durham, North Carolina, USA
3. Center for Computational Toxicology and Exposure, Office of Research and Development (ORD), U.S. Environmental Protection Agency (EPA), Research Triangle Park, North Carolina, USA
4. Biomath Consulting, Emory University, Atlanta, Georgia, USA
5. Center for Public Health and Environmental Assessment, ORD, U.S. EPA, Cincinnati, Ohio, USA
6. Linda Teuschler & Associates, St. Petersburg, Florida, USA