1. German Center for Neurodegenerative Diseases (DZNE) Bonn Germany
2. Department of Neurology University Hospital Bonn Bonn Germany
3. University of Bonn, Medical Faculty, Institute for Medical Biometry, Informatics, and Epidemiology Bonn Germany
4. German Center for Neurodegenerative Diseases (DZNE) Tübingen Germany
5. Institute for Medical Genetics and Applied Genomics University of Tuebingen Tuebingen Germany
6. Center for Neuroscience and Cell Biology (CNC) University of Coimbra Coimbra Portugal
7. Center for Innovative in Biomedicine and Biotechnology (CIBB) University of Coimbra Coimbra Portugal
8. Ataxia Centre, Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology University College London London UK
9. Department of Neurogenetics, National Hospital for Neurology and Neurosurgery University College London Hospitals NHS Foundation Trust London UK
10. Faculdade de Ciências e Tecnologia, Universidade dos Açores Ponta Delgada Portugal
11. Instituto de Biologia Molecular e Celular (IBMC), Instituto de Investigação e Inovação em Saúde (i3S), Universidade do Porto Porto Portugal
12. Faculty of Pharmacy University of Coimbra Coimbra Portugal
13. Department of Neurology, Donders Institute for Brain, Cognition, and Behaviour Radboud University Medical Center Nijmegen the Netherlands
14. Department of Neurology Rijnstate Hospital Arnhem the Netherlands
15. University Medical Center Groningen, Neurology Groningen the Netherlands
16. Center for Magnetic Resonance Research, Department of Radiology University of Minnesota Minneapolis MN USA
17. Division Translational Genomics of Neurodegenerative Diseases, Hertie Institute for Clinical Brain Research & Center of Neurology University of Tübingen Tübingen Germany
18. University Hospital Marqués de Valdecilla‐IDIVAL Santander Spain
19. Centro de investigación biomédica en red de enfermedades neurodegenerativas (CIBERNED), Universidad de Cantabria Santander Spain
20. Department of Neurology and Center for Translational Neuro‐ and Behavioral Sciences (C‐TNBS), University Hospital Essen University of Duisburg‐Essen Duisburg Germany
21. Department of Neurology University Hospital of Heidelberg Heidelberg Germany
22. Department of Neurology RWTH Aachen University Aachen Germany
23. JARA‐BRAIN Institute Molecular Neuroscience and Neuroimaging Research Centre Juelich GmbH and RWTH Aachen University Aachen Germany
24. Department of Psychiatry and Behavioral Sciences Johns Hopkins University School of Medicine Baltimore MD USA
25. Johns Hopkins University School of Medicine Baltimore MD USA
26. Ataxia Center, Laboratory for Neuroanatomy and Cerebellar Neurobiology, Massachusetts General Hospital and Harvard Medical School Boston MA USA
27. Massachusetts General Hospital, Department of Radiology A. A. Martinos Center for Biomedical Imaging and Harvard Medical School Charlestown MA USA