1. Department of Food Service and Management, Faculty of Food Science and Technology, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
2. Faculty of Hospitality and Tourism Management, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau
3. College of Hospitality and Tourism Management, Sejong University, Gwanjin-Gu, Seoul, Korea
4. Iscte-Instituto Universitário de Lisboa and Business Research Unit (BRU-IUL), Lisboa, Portugal