1. College of Hospitality and Tourism Management, Sejong University, Seoul, Korea
2. Department of Hospitality and Retail Management, College of Human Sciences, Texas Tech University, Lubbock, Texas, USA
3. School of Hotel & Tourism Management, The Hong Kong Polytechnic University, Kowloon, Hong Kong
4. Department of Food Service and Management, Faculty of Food Science and Technology, Universiti Putra Malaysia, Serdang, Malaysia
5. Faculty of Hospitality and Tourism Management, Macau University of Science and Technology, Taipa, Macao, China