1. Department of Neurobiology, Care Sciences and Society; Karolinska Institutet; Stockholm Sweden
2. Division of Medical Imaging and Technology; Department of Clinical Science, Intervention and Technology; Karolinska Institutet; Stockholm Sweden
3. Department of Radiology; Karolinska University Hospital in Huddinge; Huddinge Sweden
4. Institute of Gerontology and Geriatrics; University of Perugia; Perugia Italy
5. INSERM U 558; University of Toulouse; Toulouse France
6. Aristotle University of Thessaloniki; Thessaloniki Greece
7. Medical University of Lodz; Lodz Poland
8. University of Eastern Finland; University Hospital of Kuopio; Kuopio Finland
9. Institute of Psychiatry; King's College London; London UK
10. NIHR Biomedical Research Centre for Mental Health; London UK
11. NIHR Biomedical Research Unit for Dementia; London UK