1. College of Science and Technology, Ningbo University, Ningbo, China
2. Hilton School of Hospitality Management, Sichuan Tourism University, Chengdu, China
3. Hangzhou City University, Hangzhou, China
4. College of Business and Economics, University of New Hampshire, New Hampshire, USA
5. Academy of Tourism and Leisure, School of Philosophy, Zhejiang University, Hangzhou, China