1. Oak Ridge Associated Universities, Research Triangle Park North Carolina USA
2. Center for Public Health and Environmental Assessment, Public Health & Integrated Toxicology Program, Cardiopulmonary & Immunotoxicology Branch, US Environmental Protection Agency, Research Triangle Park North Carolina
3. Region 1 Office, Land, Chemicals and Redevelopment Division RCRA, Waste Management and Pesticides Section, US Environmental Protection Agency, Boston Massachusetts
4. Connecticut Agricultural Experiment Station New Haven Connecticut USA
5. Center for Public Health and Environmental Assessment, Public Health & Environmental Systems Division, Exposure Indicators Branch, US Environmental Protection Agency, Research Triangle Park North Carolina