1. Eawag, Swiss Federal Institute of Aquatic Science and Technology, Kastanienbaum, Switzerland
2. Eidgenössische Technische Hochschule (ETH), Swiss Federal Institute of Technology Zürich, Institute of Biogeochemistry and Pollutant Dynamics, Zürich, Switzerland
3. United Nations Educational, Scientific and Cultural Organization (UNESCO) International Institute for Hydraulic and Environmental Engineering (IHE), Institute for Water Education, Delft, The Netherlands
4. Institute for Lake Research, Langenargen, Germany