1. Beijing Key Laboratory of Environmental Remote Sensing and Digital City, Faculty of Geographical Science, Beijing Normal University, Beijing, China
2. Bartlett School of Planning, University College London, London, UK.
3. Department of Geography, Hong Kong Baptist University, Kowloon Tong, China.
4. Department of Public Policy, City University of Hong Kong, Kowloon, China.
5. School of Geography and the Environment, Oxford University, Oxford, UK.