1. Ph.D. Student, Department of Orthodontics, School of Dentistry, Chonnam National University, Gwangju, Republic of Korea
2. Associate Professor, Department of Orthodontics, School of Dentistry, Dental 4D Research Institute, Dental Science Research Institute, Chonnam National University, Gwangju, Republic of Korea
3. Professor, Department of Orthodontics, School of Dentistry, Dental 4D Research Institute, Dental Science Research Institute, Chonnam National University, Gwangju, Republic of Korea