1. School of Law, City University of Hong Kong, Hong Kong, China
2. Department of Building Environment and Energy Engineering, The Hong Kong Polytechnic University, Hong Kong, China
3. Pan Sutong Shanghai-Hong Kong Economic Policy Research Institute, Lingnan University, Hong Kong, China
4. KONE Corporation, Shanghai 200336, China
5. Department of the Built Environment, Birmingham City University, Birmingham B4 7XG, UK
6. Faculty of Engineering and the Built Environment, University of Johannesburg, Johannesburg 2006, South Africa