1. Section for Quantitative Sustainability Assessment, Department of Environmental and Resource Engineering, Technical University of Denmark (DTU), 2800 Kongens Lyngby, Denmark
2. Industrial Ecology Programme, Department of Energy and Process Engineering, Norwegian University of Science and Technology (NTNU), Høgskoleringen 5, 7034 Trondheim, Norway
3. Water Systems and Global Change Group, Wageningen University & Research, 6700 Wageningen, The Netherlands
4. Water Technology and Processes, Department of Environmental and Resource Engineering, Technical University of Denmark, ningstorvet 1152800 Kgs. Lyngby, Denmark
5. Institute of Environmental Sciences (CML), Leiden University, 2300 Leiden, The Netherlands
6. PBL Netherlands Environmental Assessment Agency, 2500 The Hague, The Netherlands