1. Department of International Economics and Trade, Jiangsu University of Technology, No. 1801, Zhongwu Road, Changzhou 213001, Jiangsu, China
2. Department of Labor and Human Resources, Chinese Culture University, No. 55, Hwa-Kang Road, Yang-Ming-Shan, Taipei 11114, Taiwan
3. Department of Hotel Management and Culinary Creativity, Minghsin University of Science and Technology, No. 1, Xinxing Road, Xinfeng, Hsinchu 30401, Taiwan