1. Alzheimer Centrum Limburg, School for Mental Health and Neuroscience Maastricht University Maastricht the Netherlands
2. Public Health Promotion Unit Finnish Institute for Health and Welfare Helsinki Finland
3. Division of Clinical Geriatrics, Center for Alzheimer Research, Department of Neurobiology, Care Sciences, and Society Karolinska Institutet Stockholm Sweden
4. Center for Life Course Health Research University of Oulu Oulu Finland
5. Medical Research Center Oulu Oulu University Hospital Oulu Finland
6. Oulu City Hospital Oulu Finland
7. Institute of Public Health and Clinical Nutrition University of Eastern Finland Kuopio Finland
8. Hospital District of North Karelia Joensuu Finland
9. Institute of Clinical Medicine, Neurology University of Eastern Finland Kuopio Finland
10. Neurocenter Department of Neurology, Kuopio University Hospital Kuopio Finland
11. University of Helsinki and Helsinki University Hospital Helsinki Finland
12. Ageing Epidemiology Research Unit School of Public Health, Imperial College London London UK