1. Department of Tourism Management, Shanxi University, Taiyuan, P.R. People’s Republic of China
2. School of Hospitality and Tourism Management, Kyungsung University, Nam-Gu, Korea
3. Department of Food Service and Management, Faculty of Food Science and Technology, Universiti Putra Malaysia, Serdang, Malaysia
4. College of Hospitality and Tourism Management, Sejong University, Gwanjin-Gu, Korea