1. Division of Gerodontology and Removable Prosthodontics, University Clinics of Dental Medicine, University of Geneva, Geneva, Switzerland
2. Undergraduate Clinics, University Clinics of Dental Medicine, University of Geneva, Geneva, Switzerland
3. Laboratory of Oral and Maxillofacial Pathology, Unit of Oral Medicine and Oral Maxillofacial Pathology, University Hospitals of Geneva and Faculty of Medicine, University of Geneva, Geneva, Switzerland