1. Department of Epidemiology and Public Health, University College London, London, United Kingdom
2. Clinicum, Faculty of Medicine, University of Helsinki, Helsinki, Finland
3. Epidemiology of Ageing and Neurodegenerative Diseases, INSERM U1153, Université de Paris, Paris, France
4. Oregon State University School of Biological and Population Health Sciences, Corvallis, Oregon
5. Division of Psychiatry, University College London, London, United Kingdom
6. Camden and Islington NHS Foundation Trust, London, United Kingdom
7. Cancer Epidemiology Unit, Nuffield Department of Population Health, University of Oxford, Oxford, United Kingdom
8. Department of Psychology and Logopedics, University of Helsinki, Helsinki, Finland
9. Department of Public Health, University of Turku, Turku, Finland
10. Centre for Population Health Research, Turku University Hospital, University of Turku, Turku, Finland
11. Laboratory of Epidemiology and Population Sciences, National Institute on Aging, Intramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, Maryland
12. University of Skövde School of Health and Education, Skövde, Sweden
13. Finnish Institute of Occupational Health, Helsinki, Finland
14. Population-Based Epidemiological Cohorts Unit, INSERM UMS 011, Villejuif, France
15. Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
16. Centre for Occupational and Environmental Medicine, Region Stockholm, Stockholm, Sweden
17. Department of Medical Sciences, Uppsala University, Uppsala, Sweden
18. Department of Health Sciences, Mid Sweden University, Sundsvall, Sweden
19. Bristol Medical School, Population Health Sciences, University of Bristol, Bristol, United Kingdom
20. Department of Medicine, Helsinki University Hospital, Helsinki, Finland
21. Center for Life Course Health Research, University of Oulu, Oulu, Finland