Authors
Hyung-Kyu Noh
Department of Orthodontics, School of Dentistry, Kyungpook National University, Daegu, Republic of Korea
Ho-Jin Kim
Department of Orthodontics, School of Dentistry, Kyungpook National University, Daegu, Republic of Korea
Hyo-Sang Park
Department of Orthodontics, School of Dentistry, Kyungpook National University, Daegu, Republic of Korea