1. Department of Neurology, University Medical Centre, Ljubljana, Slovenia
2. Department of Neurobiology, Care Sciences and Society, Division of Neurogeriatrics, Karolinska Institutet, Stockholm, Sweden
3. Research Department, Stavanger University Hospital and Department of Mathematics and Natural Sciences, The University of Stavanger, Stavanger, Norway
4. Department of Neurobiology, Care Sciences and Society, Center for Alzheimer Research, Division of Clinical Geriatrics, Karolinska Institutet, Stockholm, Sweden
5. Department of Geriatric Medicine, Karolinska University Hospital Huddinge, Stockholm, Sweden
6. Fundació ACE Institut Català de Neurociències Aplicades, Barcelona, Spain
7. Girona Biomedical Research Institute, Girona, Spain
8. Division of Psychiatry, University College London and North Essex Partnership University NHS Foundation Trust, UK
9. Department of Neurology and Alzheimer Centre, VU University Medical Centre, Amsterdam, The Netherlands
10. Clinical Memory Research Unit, Department of Clinical Sciences, Lund University, Malmö, Sweden
11. Service of Neurology and Geriatrics, University Hospital of Strasbourg and Icube laboratory, University of Strasbourg, France
12. Clinical Memory Research Unit, Department of Clinical Sciences, Department of Neuroscience and Imaging and Aging Research Centre, G. d’Annunzio University, Chieti, Italy
13. Department of Psychiatry, University of Cambridge School of Clinical Medicine, Cambridge, UK
14. Erasmus MC – University Medical Center, Rotterdam, The Netherlands
15. Clinical Neurology, Department of Neuroscience (DINOGMI), University of Genoa, Italy
16. Institute of Neurology CCS, School of Medicine, University of Belgrade, Belgrade, Serbia
17. University Hospital “Alexandrovska”, Department of Neurology, Sofia, Bulgaria
18. Department of Neurology, County Emergency Clinic Hospital, Faculty of Medicine, Transilvania University, Brasov, Romania
19. Brain and Mind Research Program, Central European Institute of Technology, Central European Institute of Technology Masaryk University, Masaryk University, Brno, Czech Republic
20. 3rd Department of Neurology, Medical School, Aristotle University of Thessaloniki, Greece
21. Center for Parkinson’s disease and Movement Disorder “Fondazione Ospedale San Camillo” - Istituto di Ricovero e Cura a Carattere Scientifico, Venice-Lido, Italy
22. Departments of Psychiatry and Neurology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA
23. Institute of Psychiatry, Psychology and Neuroscience, King’s College London, UK
24. Center for Age-Related Medicine, Stavanger University Hospital, Stavanger, Norway