1. Geriatric Psychiatry Department of Psychiatry Geneva University Hospitals Geneva Switzerland
2. Institute of Regenerative Medicine University of Zurich Zurich Switzerland
3. Department of Psychiatry Lausanne University Hospital Lausanne Switzerland
4. Old Age Psychiatry Department of Psychiatry Lausanne University Hospital Lausanne Switzerland
5. Department of Geriatric Psychiatry Centre for Gerontopsychiatric Medicine University Hospital of Psychiatry Zürich Zürich Switzerland