1. West China Hospital of Stomatology College of Biomedical Engineering School of Chemical Engineering Sichuan University Chengdu 610065 China
2. State Key Laboratory of Oral Diseases National Clinical Research Center for Oral Diseases Department of Orthodontics and Pediatric Dentistry West China Hospital of Stomatology Sichuan University Chengdu 610065 China
3. College of Biomedical Engineering Sichuan University Chengdu 610065 China
4. Department of Ophthalmology The University of Hong Kong Hong Kong Hong Kong SAR 999077 China
5. State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu 610065 China
6. Department of Mechanical Engineering The University of Hong Kong Hong Kong 999077 China