1. College of Tourism, Hunan Normal University, Changsha, PR China
2. School of Geographic Sciences and Tourism, Zhaotong University, Zhaotong, PR China
3. School of Community Resources and Development, Arizona State University, Phoenix, USA
4. School of Tourism and Hospitality, University of Johannesburg, Johannesburg, South Africa
5. College of Architecture and Urban Planning, Qingdao University of Technology, Qingdao, PR China