1. Department of Tourism, College of Arts and Social Science, Sultan Qaboos University, Muscat, Oman
2. Kharazmi University, Tehran, Iran
3. Faculty of Tourism, University of Malag, Malag, Spain
4. Faculty of Tourism, University of Canterbury, Christchurch, New Zealand
5. Geography, University of Oulu, Finland
6. Department of Service Studies, Lund University, Helsingborg, Sweden
7. Department of Marketing and Tourism, Linnaeus University, Kalmar, Sweden
8. College of Hospitality and Tourism Management, Kyung Hee University, South Korea