1. International Institute for Applied Systems Analysis, Ecosystem Services and Management Program, Schlossplatz 1, A-2361 Laxenburg, Austria
2. Radboud University Nijmegen, Department of Environmental
Science, 6525 HP Nijmegen, The Netherlands
3. ETH Zürich, Institute of Environmental
Engineering, 8092 Zürich, Switzerland
4. Quantis, Parc Scientifique EPFL, Bâtiment D, 1015 Lausanne, Switzerland