Eawag (Swiss Federal Institute of Aquatic Science and Technology), Department of Environmental Social Science, Dübendorf, Switzerland; Section of Economic Geography, Urban and Regional Research Centre Utrecht (URU), Faculty of Geosciences, Utrecht University, Utrecht, the Netherlands; and Innovation Studies, Copernicus Institute of Sustainable Development, Faculty of Geosciences, Utrecht University, Utrecht, the Netherlands. (At 2017-01-02)
