1. PhD student, State Key Laboratory of Oral Disease, Department of Orthodontics, West China School of Stomatology, Sichuan University, Chengdu, China
2. Clinician, Department of Stomatology, Shunyi Hospital, Beijing, China
3. Clinical Supervisor, Primary Health Department, Latrobe Community Health Service, Victoria, Australia
4. Postgraduate student, Department of Orthodontics, Chongqing Stomatology Hospital, Chongqing Medical University, Chongqing, China
5. Professor, State Key Laboratory of Oral Disease, Department of Orthodontics, West China School of Stomatology, Sichuan University, Chengdu, China
6. Associate Professor, State Key Laboratory of Oral Disease, Department of Orthodontics, West China School of Stomatology, Sichuan University, Chengdu, China