1. School of Dentistry, Chung Shan Medical University, Taichung, Taiwan
2. Department of Dentistry, Chung Shan Medical University Hospital, Taichung, Taiwan
3. Oral Medicine Center, Chung Shan Medical University, Taichung, Taiwan
4. Institute of Oral Sciences, Chung Shan Medical University, Taichung, Taiwan
5. Tissue Bank, Chang Gung Memorial Hospital, Tao-Yuan, Taiwan
6. Research Center for Industry of Human Ecology, Chang Gung University of Science and Technology, Tao-Yuan, Taiwan
7. Graduate Institute of Health Industry Technology, Chang Gung University of Science and Technology, Tao-Yuan, Taiwan