1. Center for Neurodegenerative Diseases and the Aging Brain, University of Bari-Aldo Moro, Bari at Pia Fondazione Cardinale Giovanni Panico, Tricase, Lecce, Italy
2. Institute of Public Health, Charité–Universitätsmedizin Berlin, Berlin, Germany
3. Center for Stroke Research Berlin, Charité–Universitätsmedizin Berlin, Berlin, Germany
4. Division of Neurogeriatrics, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Solna, Sweden
5. Unit for Hereditary Dementia, Theme Aging, Karolinska University Hospital–Solna, Stockholm, Sweden
6. Academic Unit of Neurology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland
7. Department of Neurology, Beaumont Hospital, Dublin, Ireland
8. Department of Neurology, University Hospital Ulm, Ulm, Germany
9. Deutsches Zentrum für Neurodegenerative Erkrankungen, Ulm, Germany
10. Cognitive Disorders Unit, Department of Neurology, Hospital Universitario Donostia, San Sebastian, Spain
11. Neuroscience Area, Biodonostia Health Research Institute, San Sebastian, Spain
12. Department of Neurology, Martin Luther University, University Hospital, Halle (Saale), Germany
13. Research Unit of Clinical Neuroscience, Neurology, University of Oulu, Oulu, Finland
14. Medical Research Center, Oulu University Hospital, Oulu, Finland
15. Clinical Neurosciences, University of Helsinki, Helsinki, Finland
16. Department of Clinical Neurosciences, MRC Cognition and Brain Sciences Unit, and Cambridge University Hospitals NHS Foundation Trust, University of Cambridge, Cambridge, United Kingdom
17. Department of Neurology and Alzheimer Center Erasmus MC, Erasmus MC University Medical Center, Rotterdam, the Netherlands
18. Institute of Clinical Medicine, Neurology, University of Eastern Finland, Kuopio, Finland
19. NeuroCenter, Neurology, Kuopio University Hospital, Kuopio, Finland
20. Faculty of Medicine, Neurology Clinic, University Clinical Center, University of Belgrade, Serbia
21. Alexandrovska University Hospital, Department of Neurology, Medical University Sofia, Sofia, Bulgaria
22. Theme Inflammation and Aging, Medical Unit Aging Brain, Karolinska University Hospital Huddinge, Solna, Sweden
23. Division of Clinical Geriatrics, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Solna, Sweden
24. Neurocenter, Neurology, Oulu University Hospital, Oulu, Finland
25. Molecular Markers Laboratory, Istituto di Ricovero e Cura a Carattere Scientifico Istituto Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy
26. Centre for Neurodegenerative Disorders, Neurology Unit, Azienda Socio Sanitaria Territoriale Spedali Civili Brescia and University of Brescia, Brescia, Italy
27. for the FRONTIERS group