1. Institute of Clinical Medicine, Department of Neurology University of Eastern Finland Kuopio Finland
2. Department of Public Health Solutions, Chronic Disease Prevention Unit National Institute for Health and Welfare Helsinki Finland
3. Division of Clinical Geriatrics, Center for Alzheimer Research, NVS Karolinska Institutet Stockholm Sweden
4. Department of Neurology North Karelia Central Hospital Joensuu Finland
5. Center for Life Course Health Research/Geriatrics University of Oulu Oulu Finland
6. Medical Research Center Oulu Oulu University Hospital Oulu Finland
7. Oulu City Hospital Oulu Finland
8. Aging Research Center Karolinska Institutet‐Stockholm University Stockholm Sweden
9. Aging, Disability and Functioning Unit National Institute for Health and Welfare Helsinki Finland
10. Department of Neurology Kuopio University Hospital Kuopio Finland
11. Institute of Public Health and Clinical Nutrition University of Eastern Finland Kuopio Finland
12. Joint municipal authority for North Karelia Social and Health services Joensuu Finland
13. Department of Public Health University of Helsinki Helsinki Finland
14. Finnish Institute of Occupational Health Helsinki Finland
15. Neurocenter, Neurology Kuopio University Hospital Kuopio Finland
16. Department of Psychology Umeå University Umeå Sweden
17. Department of Social and Psychological Sciences Karlstad University Karlstad Sweden
18. University of Helsinki, Helsinki University Hospital Helsinki Finland
19. South Ostrobothnia Central Hospital Seinäjoki Finland
20. Stockholms Sjukhem Research & Development Unit Stockholm Sweden