Affiliation: | ? Clinical Assistant Professor, Department of Orthodontics, Pusan National University College of Dentistry, Pusan National University Hospital, Busan, South Korea;† Professor, Department of Orthodontics, Pusan National University College of Dentistry, Pusan National University Hospital, Busan, South Korea;‡ Professor, Department of Orthodontics, Pusan National University College of Dentistry, Pusan National University Hospital, Busan, South Korea;§ Assistant Professor, Department of Oral and Maxillofacial Surgery, Pusan National University College of Dentistry, Pusan National University Hospital, Busan, South Korea |