1. Department of Aquatic Ecology and Water Quality Management; Wageningen University and Research Centre; Wageningen The Netherlands
2. School of Biological Sciences; University of Nebraska-Lincoln; Lincoln Nebraska USA
3. Eawag; Swiss Federal Institute of Aquatic Science and Technology; Dübendorf Switzerland
4. Environment Department; University of York, Heslington; York United Kingdom
5. Alterra; Wageningen University and Research Centre; Wageningen The Netherlands
6. Ecologie et Santé des Ecosystèmes, Equipe Ecotoxicologie et Qualité des Milieux Aquatiques; French National Institute for Agricultural Research; Rennes France
7. Syngenta; Bracknell United Kingdom
8. Bayer CropScience; Monnheim Germany