1. Department of Geography, University of Georgia, Athens, GA, USA
2. Department of Geography, University at Buffalo, Buffalo, NY, USA
3. Urban Governance and Design Thrust, The Hong Kong University of Science and Technology, Guangzhou, China
4. Institute of Geography, Applied Geoinformatics, Augsburg University, Germany
5. Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Hong Kong SAR
6. Department of Geography, Ghent University, Belgium