1. Alzheimer Centrum Limburg, School for Mental Health and Neuroscience (MHeNS)Maastricht University Maastricht The Netherlands
2. Institute of Clinical Medicine/NeurologyUniversity of Eastern Finland Kuopio Finland
3. Public Health Promotion UnitNational Institute for Health and Welfare Helsinki Finland
4. Division of Clinical Geriatrics, Center for Alzheimer Research, Department of Neurobiology, Care Sciences, and SocietyKarolinska Institutet Stockholm Sweden
5. Institute of Public Health and Clinical NutritionUniversity of Eastern Finland Kuopio Finland
6. Hospital District of North Karelia Joensuu Finland
7. Neurocenter, Department of NeurologyKuopio University Hospital Kuopio Finland
8. Ageing Epidemiology (AGE) Research Unit, School of Public HealthImperial College London London United Kingdom