1. State Key Laboratory of Oral Diseases National Clinical Research Center for Oral Diseases West China Hospital of Stomatology Sichuan University Chengdu China
2. Department of Orthodontics West China Hospital of Stomatology Sichuan University Chengdu China
3. Department of Pediatric Dentistry West China Hospital of Stomatology Sichuan University Chengdu China
4. Department of Orthodontics School of Dentistry Chonbuk National University Jeonju South Korea
5. Department of Temporomandibular Joint West China Hospital of Stomatology Sichuan University Chengdu China