1. Resident, Department of Orthodontics, School of Dentistry, Yonsei University, Korea.
2. Senior Researcher, Korea Electrotechnology Research Institute, Korea.
3. Assistant Professor, Department of Orthodontics, School of Dentistry, Yonsei University, Korea.
4. Associate Professor, Department of Orthodontics, School of Dentistry, Yonsei University, Korea.
5. Professor, Department of Orthodontics, School of Dentistry, Yonsei University, Korea.