1. Department of Operative Dentistry and Endodontics; Guanghua School of Stomatology; Hospital of Stomatology; Sun Yat-sen University; Guangzhou China
2. Institute of Health and Biomedical Innovation; Queensland University of Technology; Brisbane Australia
3. Stomatological Hospital of Liwan District; Guangzhou China
4. Department of Stomatology; Guangzhou Medical University; Guangzhou China