1. ECVAM, Institute for Health & Consumer Protection, European Commission Joint Research Centre, 21020 Ispra (VA), Italy;
2. Department of Toxicology, Vrije Universiteit Brussel, Laarbeeklaan 103, 1090 Brussels, Belgium;
3. GlaxoWellcome Research and Development, Park Road, Ware, Hertfordshire SG12 ODP, UK;
4. Unidad de Hepatologia Experimental, Hospital Universitario La Fe, Avda de Campanar 21, 46009 Valencia, Spain;
5. Institut für Toxikologie und Umwelthygiene, Technische Universität München, Lazarettstrasse 62, 80636 Munich, Germany;
6. Preclinical Metabolism and Pharmacokinetics, Sanofi Recherche, Rue du Professeur Blayac 371, 34184 Montpellier Cédex 04, France;
7. School of Biomedical Sciences, University of Nottingham Medical School, Queen's Medical Centre, Nottingham NG7 2UH, UK;
8. Drug Metabolism and Isotope Chemistry, Bayer, Aprather Weg 18a, 42096 Wuppertal, Germany