1. ETH Zurich, Institute of Environmental Engineering, CH-8093 Zurich, Switzerland
2. Radboud University Nijmegen, Department of Environmental
Science, Institute for Water and Wetland Research, 6500 GL Nijmegen, The Netherlands
3. Industrial
Ecology Programme and Department of Energy and Process Engineering, Norwegian University of Science and Technology (NTNU), NO-7491 Trondheim, Norway