1. a Department of Industrial Management , National Taiwan University of Science and Technology , No. 43, Section 4, Keelung Road, Taipei, Taiwan, ROC
2. b Department of Industrial Engineering and Management , National Taipei University of Technology , No. 1, Section 3, Chung-Hsiao East Road, Taipei, Taiwan, ROC
3. c Department of Business Management , National Taipei University of Technology , No. 1, Section 3, Chung-Hsiao East Road, Taipei, Taiwan, ROC