1. Melbourne Law School, The University of Melbourne, Carlton, Victoria, Australia
2. School of Tourism Management, Macao Institute of Tourism Studies, Colina de Mong-Há, Macao, China
3. Department of Marketing, City University of Hong Kong, Kowloon, Hong Kong, China §School of Hospitality Management, Macao Institute of Tourism Studies, Colina de Mong-Há, Macao, China