1. Department of Orthodontics, College of Dentistry, Yonsei University, Seoul, Korea.
2. College of Dentistry, Seoul National University, Seoul, Korea.
3. Imagoworks Incorporated, Seoul, Korea.
4. Center for Bionics, Korea Institute of Science and Technology, Seoul, Korea.
5. Department of Oral and Maxillofacial Surgery, College of Dentistry, Chungang University Hospital, Seoul, Korea.
6. Department of Orthodontics, The Institute of Craniofacial Deformity, College of Dentistry, Yonsei University, Seoul, Korea.