Affiliation: | 1. Department of Periodontology and Oral Implantology, Faculty of Medicine and Health Sciences, Dental School, Ghent University, Ghent, Belgium;2. Department of Continuing Professional Development, UCL Eastman Dental Institute, London, UK;3. Department of Prosthodontics, Faculty of Odontology, School of Dentistry, Malm? University, Malm?, Sweden |