1. Department of Civil, Geo and Environmental Engineering, Technical University of Munich, Munich, Germany.
2. Department of Real Estate and Planning, University of Reading, Reading, UK.
3. Northumbria University, Newcastle-upon-Tyne, UK.
4. Public Governance Institute, KU Leuven, Leuven, Belgium; and Faculty of Earth Sciences and Spatial Management, Nicolaus Copernicus University, Toruń, Poland.