1. Department of Information Management, National Chi Nan University, Puli, Taiwan
2. Division of Research and Development, National Taichung University of Science and Technology, Taichung, Taiwan
3. Department of Distribution Management, National Taichung University of Science and Technology, Taiwan
4. Department of Information Management, National Changhua University of Education, Changhua, Taiwan
5. Department of Computer Science and Information Management, Providence University, Taichung, Taiwan