1. Tetra Tech; Owings Mills; Maryland USA
2. Helmholtz Centre for Environmental Research-UFZ; Leipzig Germany
3. ECT Oekotoxikologie; Flörsheim am Main; Germany
4. The Procter & Gamble Company; Cincinnati Ohio USA
5. US Geological Survey; Reston Virginia USA
6. McMaster University; Hamilton Ontario Canada
7. Wageningen University; Wageningen Netherlands
8. School of Biological Sciences; The University of Hong Kong; Pokfulam Hong Kong China
9. University of Waterloo; Waterloo Ontario Canada
10. AstraZeneca UK; Macclesfield Cheshire United Kingdom
11. Henkel; Düsseldorf Germany
12. School of the Environment; Nanjing University; Nanjing People's Republic of China