1. Department of Tourism Innovation Management, Faculty of Business Administration and Accountancy, Khon Kaen University, Khon Kaen, Thailand
2. Department of Hospitality Management, School of Tourism, Ming Chuan University, Taoyuan, Taiwan
3. Department of Business Administration, National Pingtung University of Science and Technology, Pingtung, Taiwan
4. Department of Hotel and Restaurant Management, National Pingtung University of Science and Technology, Pingtung, Taiwan