| Affiliation: | 1. Department of Periodontology and Oral Surgery, Faculty of Medicine, University of Liege, Liege, Belgium;2. Department of Public Health, Epidemiology and Health Economics, Faculty of Medicine, University of Liege, Liege, Belgium;3. Oral and Maxillofacial Surgery, Faculty of Medicine and Dentistry, Université Catholique de Louvain, Louvain, Belgium;4. Department of Periodontology and Oral Surgery, CHU of Liège, Liège, Belgium;5. Dental Biomaterials Research Unit (DBRU), Faculty of Medicine, University of Liege, Liege, Belgium |
