1. Division of Fixed Prosthodontics and Occlusion; School of Dental Medicine; University of Geneva; Geneva Switzerland
2. Department of Removable Prosthodontics; School of Dental Medicine; Tsurumi University; Yokohama Japan
3. Division of Gerodontology and Removable Prosthodontics; School of Dental Medicine; University of Geneva; Geneva Switzerland
4. Division of Bone Diseases; Department of Rehabilitation and Geriatrics; Geneva University Hospital; Geneva Switzerland
5. Department of Internal Medicine; Rehabilitation and Geriatrics; University Hospitals of Geneva; Geneva Switzerland