1. Huntingdon Life Sciences, East Millstone, New Jersey, USA
2. Sanofi, Frankfurt, Germany
3. WIL Research, 's-Hertogenbosch, The Netherlands
4. Takeda Pharmaceutical Company, Fujisawa, Kanagawa, Japan
5. The Institute of Environmental Toxicology, Ibaraki, Japan
6. Covance Laboratory SAS, Porcheville, France
7. Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riss, Germany
8. Covance Laboratories, Inc., Greenfield, Indiana, USA
9. Regan Path/Tox Services, Inc, Ashland, Ohio, USA
10. Paoli, Pennsylvannia, USA
11. Charles River, Tranent, Edinburgh, UK
12. Abbott Laboratories, Abbott Park, Illinois, USA