1. Division of Geriatric Medicine; Department of Neuroscience; UPRES EA 4638; UNAM; Angers University Hospital; Angers France
2. College “Clément Janequin”; Avrillé France
3. High School “Renoir”; Angers France
4. Department of Internal Medicine, Rehabilitation and Geriatrics; Geneva University Hospitals; University of Geneva; Geneva Switzerland