1. U.S. Consumer Product Safety Commission, Rockville, Maryland, USA
2. 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 Environment and Health, Vrije Universiteit, Amsterdam, the Netherlands
4. American Chemistry Council, Washington, District of Columbia, USA
5. U.S. Environmental Protection Agency (EPA), Washington, District of Columbia, USA
6. U.S. EPA (retired), Washington, District of Columbia, USA
7. Nicholas School of the Environment, Duke University, Durham, North Carolina, USA