1. Eawag, Swiss Federal Institute of Aquatic Science and Technology, 8600 Dübendorf,
Switzerland
2. Institute of
Biogeochemistry
and Pollutant Dynamics, ETH Zurich, 8092
Zurich, Switzerland
3. Alberta Innovates − Energy and Environment Solutions, Edmonton,
Alberta, Canada, and Nanyang Technological University (NTU), Singapore
4. Eawag, Swiss Federal Institute of Aquatic Science and Technology, 6047 Kastanienbaum,
Switzerland
5. School of Bioresources
Engineering
and Environmental Hydrology, University of KwaZulu-Natal, Private Bag X01, Scottsville 3209, South Africa