1. Faculty of Hospitality and Tourism Management, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau, China;
2. Department of Community Development, Simon Diedong Dombo University of Business and Integrated Development Studies, Ghana School of Tourism and Hospitality, University of Johannesburg, South Africa;
3. School of Hotel and Tourism Management, The Hong Kong Polytechnic University, Tsim Sha Tsui East, Hong Kong;
4. Professor and Dean, Faculty of Hospitality and Tourism Management, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau, China