1. Division of Removable Prosthodontics, University Clinics of Dental MedicineUniversity of Geneva Geneva Switzerland
2. Division of Orthodontics, University Clinics of Dental MedicineUniversity of Geneva Geneva Switzerland
3. Division of Periodontology, University Clinics of Dental MedicineUniversity of Geneva Geneva Switzerland
4. Division of Gerodontology, School for Dental MedicineUniversity of Bern Bern Switzerland
5. Service of Geriatrics, Department of Internal Medicine, Rehabilitation and GeriatricsGeneva University Hospitals Geneva Switzerland
6. Clinic of General‐, Special Care‐, and Geriatric Dentistry (KABS), Center of Dental MedicineUniversity of Zurich Zurich Switzerland