1. Department of Maxillofacial Cell and Developmental Biology, BK21, School of Dentistry, Seoul National University, Seoul, Republic of Korea.
2. Department of Oral and Maxillofacial Surgery, BK21, School of Dentistry, Seoul National University, Seoul, Republic of Korea.
3. Dental Research Institute, Seoul National University, Seoul, Republic of Korea.
4. School of Electrical Engineering and Computer Science, Seoul National University, Seoul, Republic of Korea.
5. Department of Chemical and Biochemical Engineering, Dongguk University, Seoul, Republic of Korea.