1. College of Economics and Management, Nanjing Forestry University, Nanjing 210018, China
2. College of Cultural Industry and Tourism Management, Sanjiang University, Nanjing 210018, China
3. Department of Tourism Operation, Woosuk University, Wanju 55338, Republic of Korea
4. Griffith Business School, Griffith University, Gold Coast Campus, Gold Coast 4222, QLD, Australia