1. Faculty of Dentistry; The University of Hong Kong; Hong Kong China
2. Department of Dental Implantology; Affiliated Stomatological Hospital of Nanjing Medical University; Nanjing Jiangsu Province China
3. Department of Oral Implant Center; West China Hospital of Stomatology; Sichuan University; Chengdu China
4. Dental Implant Center; Xuzhou Stomatological Hospital; Xuzhou China
5. Institute of Stomatology; Nanjing Medical University; Nanjing China