1. Department of Applied Life Science, The Graduate School, Yonsei University, Seoul 03722, Republic of Korea
2. BK21 Four Project, Yonsei University College of Dentistry, Seoul 03722, Republic of Korea
3. Department of Oral Biology, Yonsei University College of Dentistry, Seoul 03722, Republic of Korea
4. Department of Oral Pathology, Yonsei University College of Dentistry, Seoul 03722, Republic of Korea
5. Oral Cancer Research Institute, Yonsei University College of Dentistry, Seoul 03722, Republic of Korea
6. Department of Pathology, Yanbian University Hospital, Yanji City, Jilin Province 133000, China
7. College of Pharmacy, Keimyung University, Daegu 42601, Republic of Korea