1Department of Medicine, Division of Bone Diseases, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland
2Department of Rehabilitation and Geriatrics, Division of Geriatrics, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland
3Department of Rehabilitation and Geriatrics, Division of Internal Medicine for the Aged, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland
4Department of Rehabilitation and Geriatrics, Division of Rehabilitation and Internal Medicine, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland