1. Division in Anatomy and Developmental Biology, Department of Oral Biology, Human Identification Research Institute, BK21 PLUS Project, Yonsei University College of Dentistry, Seoul, Republic of Korea.
2. Dr. Youth Clinic, Seoul, Republic of Korea.
3. Maylin Clinic, Goyang, Republic of Korea.
4. Department of Materials Science and Engineering, College of Engineering, Yonsei University, Seoul, Republic of Korea.