1. Department of Neurology and Neuroscience Medical Center University of Freiburg FreiburgGermany
2. Department of Emergency Medicine University Hospital of Freiburg Faculty of Medicine University of Freiburg Freiburg Germany
3. Center of Geriatrics and Gerontology Freiburg Medical Center University of Freiburg Freiburg Germany
4. Department of Psychiatry and Psychotherapy Faculty of Medicine University of Freiburg FreiburgGermany
5. Clinic for Psychiatry Luzern St. UrbanSwitzerland
6. Center for Geriatric Medicine and Gerontology Faculty of Medicine University of Freiburg FreiburgGermany
7. University Hospital of Old Age Psychiatry and Psychotherapy University of Bern Bern Switzerland