| Affiliation: | 1. Center of Oral Implantology, Stomatological Hospital, Southern Medical University, Guangzhou, China;2. Center for Dentistry and Oral Hygiene, University Medical Center Groningen (UMCG), University of Groningen, Groningen, The Netherlands;3. Department of Oral Medicine, Stomatological Hospital, Southern Medical University, Guangzhou, China;4. Department of Epidemiology and Public Health, University College London, London, UK;5. Department for Gerodontology, College of Dental Sciences, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands;1. Departamento de Odontología, Facultad de Ciencias de la Salud, Universidad CEU Cardenal Herrera, Valencia, España;2. Departamento de Medicina Legal, Facultad de Medicina y Odontología, Universidad de Valencia, Valencia, España;1. Europa Sur Higher Training Center (Dentistry, Cesur), Madrid, Spain;2. Faculty of Dentistry, Complutense University of Madrid (UCM), Madrid, Spain;3. University Dental School & Hospital/ University College Cork, Wilton, Cork, Ireland;1. Department of Restorative Dentistry, Faculty of Dentistry, Baskent University, Ankara, Turkey;2. Department of Public Health, Baskent University, Ankara, Turkey. |
