1. Associate Professor, School of Public Policy and Administration, Nanchang Univ., Nanchang 330031, China.
2. Research Assistant, School of Infrastructure Engineering, Nanchang Univ., Nanchang 330031, China.
3. Associate Professor, Faculty of Civil Engineering and Mechanics, Kunming Univ. of Science and Technology, Kunming 650093, China.
4. Associate Professor, School of Public Policy and Administration, Nanchang Univ., Nanchang 330031, China (corresponding author).
5. Associate Professor, School of Construction Management and Real Estate, Henan Univ. of Economics and Law, Zhengzhou 450046, China.