1. Department of Tourism Management, School of Tourism and Urban-Rural Planning, Zhejiang Gongshang University, Hangzhou, Zhejiang, P.R. China
2. School of Culture and Tourism, Zhejiang International Studies University, Hangzhou, Zhejiang, P.R. China
3. Department of Tourism Management, School of Management, Zhejiang University, Hangzhou, Zhejiang, P.R. China
4. Department of Geography and Environmental Management, University of Waterloo, Waterloo, ON, Canada