1. Department of Integrative Biology Oregon State University Corvallis OR U.S.A
2. Department of Aquatic Ecology Eawag: Swiss Federal Institute of Aquatic Science and Technology Dübendorf Switzerland
3. Department of Evolutionary Biology and Environmental Studies University of Zurich Zürich Switzerland
4. Department of Biology Missouri State University Springfield MO U.S.A
5. Natural Environment Centre Biodiversity, Finnish Environment Institute Oulu Finland
6. School of Aquatic and Fishery Sciences University of Washington Seattle WA U.S.A
7. Senckenberg Research Institute and Natural History Museum Frankfurt Germany