1. Department of Oral and Maxillofacial Radiology, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, Korea.
2. Department of Oral Medicine, University of Dental Medicine, Mandalay, Myanmar.
3. Interdisciplinary Program in Bioengineering, Graduate School of Engineering, Seoul National University, Seoul, Korea.
4. Department of Applied Bioengineering, Graduate School of Convergence Science and Technology, Seoul National University, Seoul, Korea.
5. Department of Oral and Maxillofacial Radiology, Seoul National University Dental Hospital, Seoul, Korea.