1. Postgraduate student, Department of Orthodontics, College of Dentistry, Gangneung-Wonju National University, Gangneung, South Korea
2. Assistant Professor, Department of Orthodontics, College of Dentistry, Gangneung-Wonju National University, Gangneung, South Korea
3. Professor, Department of Orthodontics, College of Dentistry, Gangneung-Wonju National University, Gangneung, South Korea
4. Professor, Department of Orthodontics, Dentofacial Orthopedics and Pedodontics, Center for Dental and Craniofacial Sciences, Charité — Universitätsmedizin Berlin, Berlin, Germany
5. Associate Professor, Department of Preventive Medicine and Public Health, College of Medicine, Kwandong University, Gangneung, South Korea