1. ECT Oekotoxikologie GmbH, 65439 Flörsheim, Germany
2. Department
Aquatic Ecotoxicology, Goethe University Frankfurt, 60438 Frankfurt am Main, Germany
3. Department
of Aquatic Chemistry, Federal Institute of Hydrology (BfG), 56068 Koblenz, Germany
4. Department of Civil & Environmental Engineering, University of California at Berkeley, Berkeley, California 94720, United States
5. Walther-Straub-Institute
of Pharmacology and Toxicology, Ludwig-Maximilians-University of Munich, 80336 Munich, Germany