| Affiliation: | 1. Department of Orthodontics, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, USA;2. Department of Periodontics, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, USA;3. Department of Orthodontics, Ninth People's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, PR China;4. Department of Stomatology, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, PR China;5. State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, PR China;6. Department of Preventive Dentistry, Peking University School and Hospital of Stomatology, Beijing, PR China;7. Biomaterials and Biomimetics, College of Dentistry, New York University, New York, NY, USA;8. Hansj?rg Wyss Department of Plastic Surgery, Langone Medical Center, New York University, New York, NY, USA |
