1. Helmholtz Centre for Environmental Research—UFZ Leipzig Germany
2. Office of Research and Development, Great Lakes Ecology and Toxicology Division US Environmental Protection Agency Duluth Minnesota
3. Environmental Toxicology, Center for Applied Geoscience Eberhard Karls University Tübingen Tübingen Germany
4. Institute for Environmental Research, Biologie V RWTH Aachen University Aachen Germany
5. Department of Evolutionary Ecology and Environmental Toxicology, Faculty of Biological Sciences Goethe University Frankfurt Frankfurt am Main Germany
6. Office of Research and Development, Ecosystem Processes Division US Environmental Protection Agency Athens Georgia
7. National Research Council US Environmental Protection Agency Duluth Minnesota
8. Office of Pollution Prevention and Toxics, Risk Assessment Division US Environmental Protection Agency Washington DC
9. College of Arts and Sciences University of Saint Thomas St. Paul Minnesota USA
10. University of Minnesota Crookston Crookston Minnesota USA
11. Institute of Organic Chemistry Technische Universität Bergakademie Freiberg Freiberg Germany