1 Department of Oral and Maxillofacial Surgery, Gangnam Severance Hospital, Yonsei University College of Dentistry , Seoul , Republic of Korea.
2 Department of Orthodontics, Gangnam Severance Hospital, Institute of Craniofacial Deformity, Yonsei University College of Dentistry , Seoul , Republic of Korea.
3 Department of Oral and Maxillofacial Surgery, Chung-Ang University College of Medicine , Seoul , Republic of Korea.
4 Kwangwhamun Sun Dental Clinic , Seoul , Republic of Korea.