1. Institute of Oral Sciences, Chung Shan Medical University; Taichung Taiwan
2. Institute of Medicine, Chung Shan Medical University; Taichung Taiwan
3. Changhua Christian Hospital, Cancer Research Center; Changhua Taiwan
4. Graduate Institute of Biomedical Sciences, China Medical University; Taichung Taiwan
5. Institute of Biochemistry, Microbiology and Immunology, Chung Shan Medical University; Taichung Taiwan
6. Department of Medical Research; Chung Shan Medical University Hospital; Taichung Taiwan
7. School of Dentistry; Chung Shan Medical University; Taichung Taiwan
8. Department of Dentistry; Chung Shan Medical University Hospital; Taichung Taiwan
9. School of Medicine; Chung Shan Medical University; Taichung Taiwan