1. Society of Dental Education; Chinese Stomatological Association; Peking University School of Stomatology; Beijing China
2. Society of Dental Education; Chinese Stomatological Association; Capital Medical University School of Stomatology; Beijing China
3. Society of Dental Education; Chinese Stomatological Association; Shanghai Jiao Tong University School of Stomatology; Shanghai China
4. Society of Dental Education; Chinese Stomatological Association; Sun Yat--sen University Guanghua School of Stomatology; Guangzhou China
5. Society of Dental Education; Chinese Stomatological Association; West China School of Stomatology; Sichuan University; Chengdu China
6. Society of Dental Education; Chinese Stomatological Association; Guangdong Stomatological Hospital; China South Medical University; Guangzhou China
7. Society of Dental Education; Chinese Stomatological Association; Wuhan University School of Stomatology; Wuhan China
8. Society of Dental Education; Chinese Stomatological Association; Xian Jiao Tong University School of Stomatology; Xian China
9. Society of Dental Education; Chinese Stomatological Association; Institute of Stomatology; Nanjing University Medical School; Nanjing China