1. National Children’s Study Interagency Coordinating Committee, National Center for Environmental Assessment, Office of Research and Development, U.S. Environmental Protection Agency, Washington, DC, USA
2. 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. National Center for Environmental Research, Office of Research and Development, U.S. Environmental Protection Agency, Washington, DC, USA
4. Center for Children’s Environmental Health Research, School of Public Health, University of California, Berkeley, California, USA