1. Department of Orthodontics, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
2. Department of Convergence Medicine, Asan Medical Institute of Convergence Science and Technology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
3. Department of Orthodontics, School of Dentistry, Chonnam National University, Gwangju, Korea
4. Department of Orthodontics, School of Dentistry, Kyungpook National University, Daegu, Korea
5. Department of Orthodontics, College of Medicine, Ewha Womans University, Seoul, Korea
6. Department of Orthodontics, Kyung Hee University School of Dentistry, Seoul, Korea
7. Department of Orthodontics, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
8. Department of Orthodontics, Institute of Oral Health Science, Ajou University School of Medicine, Suwon, Korea
9. Department of Orthodontics, College of Dentistry, Chosun University, Gwangju, Korea
10. Department of Orthodontics, School of Dentistry, Wonkwang University, Iksan, Korea
11. Department of Orthodontics, School of Dentistry, Dental Research Institute, Seoul National University, Seoul, Korea