1. Center for Primary Care and Public Health (Unisanté), University of Lausanne, Lausanne, Switzerland;
2. Service of Geriatric Medicine and Geriatric Rehabilitation, University of Lausanne Hospital Centre, Lausanne, Switzerland;
3. Service of Old-Age Psychiatry, University of Lausanne Hospital Centre, Lausanne, Switzerland;
4. Leenaards Memory Centre, University of Lausanne Hospital Centre, Lausanne, Switzerland