1. Eawag – Swiss Federal Inst. of Aquatic Science and Technology Dübendorf Switzerland
2. Te Aka Mātuatua – School of Science, Univ. of Waikato Hamilton New Zealand
3. Dept of Biological and Environmental Science, Univ. of Jyväskylä Jyväskylä Finland
4. Dept of Biological Sciences, Oakland Univ. Rochester MI USA
5. ETH Zürich, Inst. of Biogeochemistry and Pollutant Dynamics Zürich Switzerland