1. School of Tourism Sciences, Beijing International Studies University, Beijing, China
2. Research Center for Beijing Tourism Development, Beijing, China
3. Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China
4. MTA/MBA Education Center, Beijing International Studies University, Beijing, China
5. School of Statistics, Capital University of Economics and Business, Beijing, China
6. School of Management and Marketing, Greenwich Business School, University of Greenwich, London, UK