1. Department of Building and Real Estate; The Hong Kong Polytechnic University; ZN736, Block Z, Kowloon, Hong Kong
2. Department of Urban Planning and Design; The University of Hong Kong; Room 840, Knowles Building, Pokfulam, Hong Kong
3. School of Agricultural Economics and Rural Development; Renmin University of China; Room 912, Mingde Main Building, Beijing 100872 China