1. School of Management, Chengdu University of Information Technology, Chengdu, People's Republic of China
2. Faculty of International Tourism and Management, City University of Macau, Taipa, People's Republic of China
3. Faculty of tourism management, Hanshan Normal University, Chaozhou, People's Republic of China
4. School of Tourism, Liming Vocational University, Quanzhou, People's Republic of China