1. Department of Hospitality Management, St. Mary’s Junior College of Medicine, Nursing and Management, Yilan 266, Taiwan
2. Graduate Institute of Sport, Leisure and Hospitality Management, National Taiwan Normal University, Taipei 106, Taiwan
3. Department of Leisure Services Management, Chaoyang University of Technology, Taichung 413, Taiwan
4. Graduate School of Technological and Vocational Education, National Yunlin University of Science and Technology, Yunlin 640, Taiwan