1. Research Associate, Department of Orofacial Sciences, University of California San Francisco, San Francisco, Calif.
2. Postgraduate Student, Department of Orthodontics, Graduate School, Seoul National University, Seoul, Korea.
3. Private Practice, Cheongju, Chungcheongbuk-do, Korea.
4. Data Scientist, HuTom, Seoul, Korea.
5. Assistant Professor and Assistant Graduate Program Director, Department of Orthodontics, College of Dentistry, University of Florida, Gainesville, Fla.
6. Professor, Department of Orthodontics, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, Korea.