1. Colorado School of Public Health, CO
2. Department of Veterinary Integrative Biosciences, Texas A&M University, College Station, TX
3. National Center for Environmental Assessment, US Environmental Protection Agency
4. Department of Public Health, University of Massachusetts Lowell
5. National Toxicology Program, National Institute of Environmental Health Sciences
6. Division of Biochemical Toxicology, National Center for Toxicological Research, Jefferson, AR
7. Faculty of Medicine and Health, The University of Sydney, Australia
8. Environmental Directorate, Organisation for Economic Co-operation and Development, France
9. School of Public Health, Curtin University, Australia
10. Japan Bioassay Research Center, Japan Organization of Occupational Health and Safety, Japan
11. Chemical and Veterinary Investigation Agency Karlsruhe, Germany
12. Division of Cancer Epidemiology and Genetics, National Cancer Institute
13. Science for Expertise Division, French Agency for Food, Environmental and Occupational Health & Safety, France
14. Evaluation Directorate, European Chemicals Agency, Finland
15. Institute for Risk Assessment Sciences, Utrecht University, the Netherlands
16. Environmental Health Division, Minnesota Department of Health
17. National Institute for Environmental Studies, Yokohama University of Pharmacy, Japan
18. Division of Cancer Prevention and Control, US Centers for Disease Control and Prevention
19. Department of Philosophy, University of Kent, UK
20. Ministry of Health, Russian Federation
21. School of Public Health, University of Montreal, Canada
22. Environmental Health Sciences and Research Bureau, Health Canada, Canada
23. International Agency for Research on Cancer, Lyon, France