| Affiliation: | a Postgraduate student, State Key Laboratory of Oral Disease (Sichuan University), West China Stomatology Hospital of Sichuan University, Chengdu, Sichuan, China; PhD candidate, Discipline of Orthodontics, Faculty of Dentistry, University of Hong Kong, Hong Kong SAR, China;b Postgraduate student, State Key Laboratory of Oral Disease (Sichuan University), West China Stomatology Hospital of Sichuan University, Chengdu, Sichuan, China;c Professor, State Key Laboratory of Oral Disease (Sichuan University), West China Stomatology Hospital of Sichuan University, Chengdu, Sichuan, China |
