1. Assistant, Department of Oral and Maxillofacial Surgery, School of Dentistry, Pusan National University Hospital, Pusan, South Korea
2. Clinical Assistant Professor, Department of Orthodontics, School of Dentistry, Pusan National University Hospital, Pusan, South Korea
3. Professor, Department of Orthodontics, School of Dentistry, Pusan National University Hospital, Pusan, South Korea
4. Clinical Assistant Professor, Department of Oral and Maxillofacial surgery, School of Dentistry, Pusan National University Hospital, Pusan, South Korea