| Affiliation: | 1. Department of Orthodontics, The Royal London Dental Hospital, London, United Kingdom;2. Department of Preventive Dental Sciences, College of Dentistry, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia;3. Department of Orthodontics, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom;1. Division of Orthodontics, University of Louisville School of Dentistry, 501 S Preston St, Louisville, KY, 40202, USA;2. Division of Orthodontics, Indiana University School of Dentistry, Indianapolis, IN, USA;1. University of Damascus Dental School, Department of Orthodontics, Damascus, Syria;2. University Damascus Dental School, Department of Oral Medicine, Damascus, Syria;1. West China Hospital of Stomatology, Sichuan University, State Key Laboratory of Oral Diseases and National Clinical Research Centre for Oral Diseases, Chengdu, China;2. Nanjing Stomatological Hospital, Medical school of Nanjing University, Nanjing, China |
