1. Faculty of Business Administration, University of Macao, Macao, China
2. School of Hospitality Management, Macao University of Tourism, Macao, China
3. School of Continuing Education, Macao University of Tourism, Macao, China
4. Division of Business and Hospitality Management, College of Professional and Continuing Education, The Hong Kong Polytechnic University, Hong Kong, China
5. Faculty of Hospitality and Tourism Management, Macau University of Science and Technology, Macao, China