1. Department of Spatial Planning and Environment, Faculty of Spatial Sciences, University of Groningen, Groningen, the Netherlands
2. Landscape Architecture and Spatial Planning Group, Wageningen University & Research, Wageningen, the Netherlands
3. Land Research Group, Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Prague, Czech Republic
4. Department of Open Space Planning, School of Architecture, Planning and Landscape Architecture, Kassel University, Kassel, Germany