1. Department of Plastic and Reconstructive Surgery, Seoul National University Children’s Hospital, Seoul, Korea
2. Department of Orthodontics, School of Dentistry, Seoul National University, Seoul, Korea
3. Private Practice, Pohang, Korea
4. Department of Orthodontics, School of Dentistry, Chonnam National University, Gwangju, Korea
5. Department of Orthodontics, Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Korea
6. Department of Plastic and Reconstructive Surgery, Seoul Metropolitan Government-Seoul National University Boramae Medical Center, Seoul, Korea
7. Department of Plastic and Reconstructive Surgery, College of Medicine, Seoul National University, Seoul, Korea