1. Department of Psychiatry, Leiden University Medical Center , Leiden , The Netherlands
2. Mental Health Care Rivierduinen , Old Age Psychiatry Outpatient Clinic, Leiden , The Netherlands
3. Department of Internal Medicine , Section of Gerontology and Geriatrics, 2333 ZA Leiden, The Netherlands
4. Leiden University Medical Center , Section of Gerontology and Geriatrics, 2333 ZA Leiden, The Netherlands
5. LUMC Center for Medicine for Older People, Leiden University Medical Center , Leiden , The Netherlands
6. Health Campus The Hague , Department of Public Health and Primary Care, , The Hague , The Netherlands
7. Leiden University Medical Center , Department of Public Health and Primary Care, , The Hague , The Netherlands