1. EPL Northwest, Seattle, Washington, USA
2. Eli Lilly & Company, Indianapolis, Indiana, USA
3. C. M. Keenan ToxPath Consulting, Doylestown, Pennsylvania, USA
4. Charles River Pathology Associates, Frederick, Maryland, USA
5. Charles River Laboratories, Tranent, Scotland, UK
6. Private Consultant, Potomac, Maryland, USA
7. The Institute of Environmental Toxicology, Ibaraki, Japan
8. NIEHS, Research Triangle Park, NC, USA
9. Merck Serono R&D, Darmstadt, Germany
10. Fraunhofer ITEM, Hannover, Germany
11. Boehringer Ingelheim Pharma, Biberach an der Riss, Germany
12. Kanazawa Medical University, Ishikawa, Japan