1. St John's Institute of Dermatology, St Thomas’ Hospital, London, UK
2. Health and Safety Executive, Bootle, UK
3. Department of Pharmacological Sciences, University of Milan, Milan, Italy
4. Procter & Gamble Company, Miami Valley Innovation Center, Cincinnati, OH, USA
5. Daicel Chemical Industries Ltd, Himeji, Japan
6. Faculty of Life Sciences, The University of Manchester, Manchester, UK
7. National Institute of Public Health and the Environment, Bilthoven, The Netherlands
8. Consumer Product Safety Commission, Bethesda, MD, USA
9. Cognis GmbH, Dusseldorf, Germany
10. Kyoto University School of Public Health, Kyoto, Japan
11. ECVAM, IHCP, European Commission Joint Research Centre, Ispra, Italy
12. Osaka University, Osaka, Japan;
13. CERI, Saitama, Japan