1. Errol Zeiger Consulting; Chapel Hill North Carolina
2. The Dow Chemical Co.; Midland Michigan
3. Marilyn Aardema Consulting LLC, BioReliance Corporation; Rockville Maryland
4. National Institute of Environmental Health Sciences; Division of the National Toxicology Program; Research Triangle Park; North Carolina
5. Department of Genetic Toxicology; Bristol-Myers Squibb Co.; East Syracuse New York
6. Department of Biological Engineering; Massachusetts Institute of Technology; Cambridge Massachusetts
7. Division of Genetics and Mutagenesis; National Institute of Health Sciences; Tokyo Japan
8. Division of Pharmacology; National Institute of Health Sciences; Tokyo Japan
9. Department of Molecular; Cellular and Developmental Biology; Yale University; New Haven Connecticut
10. ILSI Health and Environmental Sciences Institute; Washington District of Columbia
11. National Center for Toxicological Research, US Food and Drug Administration; Jefferson Arkansas
12. Novartis; Cambridge Massachusetts
13. The Procter and Gamble Co.; Cincinnati Ohio
14. BioReliance Corporation; Rockville Maryland
15. National Institute for Public Health and the Environment (RIVM); Bilthoven The Netherlands
16. Environmental Health Sciences and Research Division, Health Canada; Ottawa Canada
17. Sanofi; Vitry-Alfortville Research Center; Vitry-sur-Seine France