1. Department of Tourism College of Arts and Social Sciences, Sultan Qaboos University, Muscat, Oman
2. School of Management, Kharazmi University, Tehran, Iran
3. Department of Tourism and Hospitality Management, School of Economics, Management and Social Sciences, Shiraz University, Shiraz, Iran
4. G. Brint Ryan College of Business, University of North Texas, Denton, TX, USA
5. Business Administration, School of Management, Kharazmi University, Tehran, Iran