1. Associate Professor, College of Public Administration, Huazhong Univ. of Science and Technology, 1037 Luoyu Road, Wuhan 430074, Hubei Province, P.R. China.
2. Professor, College of Public Administration, South-Central Univ. for Nationalities, Wuhan 430074, Hubei Province, P.R. China; Research Center of Hubei Ethnic Minority Areas Economic and Social Development, South-Central Univ. for Nationalities, Wuhan 430074, Hubei Province, P.R. China.
3. Master’s Student, School of Environmental Science and Engineering, Huazhong Univ. of Science and Technology, 1037 Luoyu Road, Wuhan 430074, Hubei Province, P.R. China. (corresponding author).
4. Associate Professor, School of Business Administration, Hubei Univ. of Economics, Wuhan 430205, Hubei Province, P.R. China.
5. Associate Professor, School of Construction and Environmental Engineering, Shenzhen Polytechnic, Shenzhen 518057, P.R. China.