1. College of Hospitality and Tourism Management, Sejong University, Seoul, Korea
2. Department of Tourism Management, Shanxi University, Taiyuan, Shanxi Province, P.R. China
3. Department of Food Service and Management, Faculty of Food Science and Technology, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
4. School of Hospitality and Tourism Management, Kyungsung University, Busan, Korea
5. Department of Tourism Management, Dong-A University, Busan, Korea