1. Zhuhai Institute of Urban Planning & Design, Zhuhai, China
2. School of Geography and Planning, Center of Integrated Geographic Information Analysis, Sun Yat-sen University, Guangzhou, China
3. Guangdong Key Laboratory for Urbanization and Geo-simulation, Sun Yat-sen University, Guangzhou, China
4. School of Geographical Sciences, Center of Geo-Informatics for Public Security, Guangzhou University, Guangzhou, China
5. Department of Geography, University of Cincinnati, Cincinnati, OH, USA
6. Beijing Tsinghua Tongheng Urban Planning & Design Institute, Beijing, China