1. Department of Oral and Maxillofacial Surgery, School of Dentistry, Seoul National University, Seoul, Korea
2. Clinical Translational Research Center for Dental Science, Seoul National University Dental Hospital, Seoul, Korea
3. Dental Research Institute, Seoul National University, Seoul, Korea
4. Department of Material Science and Engineering, College of Engineering, Seoul National University, Seoul, Korea
5. Oral Cancer Center, Seoul National University Dental Hospital, Seoul, Korea