1. School of Management, Guangzhou University, Guangzhou, P. R. China
2. Department of Building and Real Estate, The Hong Kong Polytechnic University, Hong Kong, P. R. China; The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, P. R. China
3. Department of Architecture and Civil Engineering, City University of Hong Kong, Hong Kong, P. R. China
4. Department of Construction Management, Dalian University of Technology, Dalian, P. R. China
5. Department of Building and Real Estate, The Hong Kong Polytechnic University, Hong Kong, P. R. China