1. Department of Neurology, Clinique Saint-Pierre, Ottignies, Belgium
2. Department of Neurology, Erasme University Hospital, Université Libre de Bruxelles, Brussels, Belgium
3. Department of Neurology, Cliniques de l’Europe – St Michel, Brussels, Belgium
4. Reference Center for Biological Markers of Dementia (BIODEM), Laboratory of Neurochemistry and Behavior, Institute Born-Bunge, University of Antwerp, Belgium
5. Department of Neurology and Memory Clinic, Hospital Network Antwerp (ZNA) Middelheim and Hoge Beuken, Antwerp, Belgium
6. Department of Neurology, Memory Clinic General Hospital Sint-Jan Brugge-Oostende Brugge, Belgium
7. Department of Neurology, Universitair Ziekenhuis Brussel (UZ Brussel), Center for Neurosciences, Vrije Universiteit Brussel (VUB), Brussels, Belgium
8. Department of Neurology, Cliniques Universitaires St Luc, Université catholique de Louvain, Brussels, Belgium
9. Institute of Neuroscience (IoNS), Université catholique de Louvain, Brussels, Belgium
10. Geriatric center Scheutbos, Brussels, Belgium
11. Department of Neurology, Université catholique de Louvain, CHU UCL Namur, Yvoir, Belgium
12. Department of Internal Medicine, Section of Geriatrics, Ghent University, Gent, Belgium
13. GIGA Cyclotron Research Centre Imaging, University of Liége, Liége, Belgium
14. Department of Neurology, Memory Clinic, Centre Hospitalier Universitaire (CHU) Liége, Liége, Belgium
15. Department of Neurology, Brugmann University Hospital, Brussels, Belgium
16. Department of Neurology, Ghent University Hospital, Ghent University, Ghent, Belgium
17. Grand Hôpital de Charleroi (GHdC), Gilly, Belgium