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1 Department of Management Information Systems, National Chung Hsing University, No. 250, Kuokuang Rd., Taichung 402, Taiwan.
2 Department of Dental Technology and Materials Science, Central Taiwan University of Science and Technology, No. 666, Buzih Road, Beitun District, Taichung 40601, Taiwan.
3 Department of Biomedical Engineering, Linköping University, 462 Entrance 71, Floor 12, Room 403, Campus US, Linköping, Sweden.
4 Department of Computer Science, California State University, 6000 J Street, Sacramento, CA 95819-6021, USA.
5 Department of International Business, National Taichung University of Education, No. 140, Minsheng Rd., West District, Taichung 40306, Taiwan.
1 Department of Management Information Systems, National Chung Hsing University, No. 250, Kuokuang Rd., Taichung 402, Taiwan.
2 Department of Dental Technology and Materials Science, Central Taiwan University of Science and Technology, No. 666, Buzih Road, Beitun District, Taichung 40601, Taiwan.
3 Department of Biomedical Engineering, Linköping University, 462 Entrance 71, Floor 12, Room 403, Campus US, Linköping, Sweden.
4 Department of Computer Science, California State University, 6000 J Street, Sacramento, CA 95819-6021, USA.
5 Department of International Business, National Taichung University of Education, No. 140, Minsheng Rd., West District, Taichung 40306, Taiwan.