1. The College of Hospitality and Tourism Management, Sejong University, Neungdong-ro, Gwangjin-gu, Seoul, South Korea
2. College of Hotel and Tourism Management, Youngsan University, Haeundae-gu, Busan, South Korea
3. Department of Integrated Resort and Tourism Management, Faculty of Business Administration, University of Macau, Taipa, Macau, China