1. Department of Tourism Management, Jin Zhong University, Jinzhong 033619, China
2. Hunan Institute of Science and Technology Information, Changsha 410001, China
3. School of Construction and Environmental Engineering, Shenzhen Polytechnic, Number 7098, Liuxian Dadao, Nanshan District, Shenzhen 518055, China
4. College of Public Administration, Huazhong University of Science and Technology, Wuhan 430074, China