| Affiliation: | 1. Department of Orthodontics, University Witten/Herdecke, Witten, Germany;2. Department of Oral and Maxillofacial Surgery, University Hospital of Aachen, Aachen, Germany;3. Department of Orthodontics, University Hospital of Aachen, Aachen, Germany;2. Resident, Department of Maxillo-Facial Surgery and Stomatology, Université Cheikh Anta Diop (UCAD), Hôpital Le Dantec, Dakar, Sénégal;1. Lecturer, Department of Orthodontics and Pediatric Dentistry, School & Hospital of Stomatology, Key Laboratory of Oral Biomedicine of Shandong, Shandong University, Shandong, China;2. Lecturer, Department of Orthodontics, School & Hospital of Stomatology, Laboratory of Oral Biomedicine of Shandong, Shandong University, Shandong, China;3. Professor, Private Practice; Visiting Professor Universidad Internacional de Cataluña, Barcelona, Spain;4. Professor, Department of Orthodontics, School & Hospital of Stomatology, Laboratory of Oral Biomedicine of Shandong, Shandong University, Shandong, China |
