1. Faculty of Hospitality and Tourism Management, Macau University of Science and Technology, Taipa, Macao, China
2. School of Hotel and Tourism Management, The Hong Kong Polytechnic University, Kowloon, Hong Kong SAR
3. College of History and Tourism Culture, Inner Mongolia University, Hohhot City, Inner Mongolia Autonomous Region, PR China
4. Department of Food Service and Management, Faculty of Food Science and Technology, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
5. College of Hospitality and Tourism Management, Sejong University, Seoul, Korea