1. Sant Pau Memory Unit, Department of Neurology, Hospital de la Santa Creu i Sant Pau Biomedical Research Institute Sant Pau, Universitat Autònoma de Barcelona Barcelona Spain
2. Center of Biomedical Investigation Network for Neurodegenerative Diseases (CIBERNED) Madrid Spain
3. Barcelona Down Medical Center Fundació Catalana de Síndrome de Down Barcelona Spain
4. Department of Neurology Ludwig‐Maximilians‐Universität München Munich Germany
5. German Center for Neurodegenerative Diseases Munich Cluster for Systems Neurology (SyNergy) Munich Germany
6. Munich Cluster for Systems Neurology (SyNergy) Munich Germany
7. Department of Neurology Washington University School of Medicine St. Louis Missouri USA
8. The Hope Center for Neurological Disorders St. Louis Missouri USA
9. NeuroGenomics and Informatics Washington University School of Medicine St. Louis Missouri USA
10. Knight Alzheimer's Disease Research Center Washington University School of Medicine St. Louis Missouri USA
11. Department of Neurology Mayo Clinic Jacksonville Florida USA
12. Department of Neurology Taub Institute for Research on Alzheimer's Disease and the Aging Brain Columbia University Irving Medical Center New York New York USA
13. Department of Neurology, Asan Medical Center University of Ulsan College of Medicine Seoul Korea
14. Department of Cognitive Neurology Institute for Neurological Research Fleni Buenos Aires Argentina
15. Department of Psychiatry Washington University School of Medicine St. Louis Missouri USA
16. German Center for Neurodegenerative Diseases (DZNE) Tübingen Germany
17. Section for Dementia Research, Hertie Institute for Clinical Brain Research and Department of Psychiatry and Psychotherapy University of Tübingen Tübingen Germany
18. Neuroscience Research Australia Sydney Australia
19. School of Medical Sciences University of New South Wales Sydney Australia
20. Neurology and the Memory and Aging Program Butler Hospital Providence Rhode Island USA
21. Department of Radiology Washington University in St. Louis St. Louis Missouri USA
22. Alzheimer's Disease and Other Cognitive Disorders Unit, Hospital Clínic, Fundació Clínic per a la Recerca Biomèdica Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) Universitat de Barcelona Barcelona Spain