1. Oral Cancer Research Center, Changhua Christian Hospital, Changhua 500, Taiwan
2. Department of Medical Laboratory Sciences, College of Applied Medical Sciences, University of Bisha, Bisha 61922, Saudi Arabia
3. Doctoral Program in Tissue Engineering and Regenerative Medicine, College of Medicine, National Chung Hsing University, Taichung 402, Taiwan
4. Graduate Institute of Biomedical Sciences, China Medical University, Taichung 404, Taiwan