1. Department of Industrial Engineering and Management, National Chin-Yi University of Technology, Taichung 411030, Taiwan
2. Department of Business Administration, Chaoyang University of Technology, Taichung 413310, Taiwan
3. Department of Business Administration, Asia University, Taichung 413305, Taiwan
4. Language Center, National Chin-Yi University of Technology, Taichung 411030, Taiwan
5. School of Philosophy, Psychology and Language Sciences, The University of Edinburgh, Edinburgh EH8 9YL, UK