1. Department of Orthodontics, The Institute of Craniofacial Deformity, Yonsei University College of Dentistry, Seoul, Korea
2. Smile Future Orthodontics, Seoul, Korea
3. Department of Orthodontics, School of Dentistry, Seoul National University, Seoul, Korea
4. Imagoworks Inc., Seoul, Korea
5. Department of Orthodontics, Gangnam Severance Hospital Yonsei University, Seoul, Korea