1. Department of Twin Research and Genetic Epidemiology, King's College London, London, United Kingdom
2. Division of Cardiovascular and Diabetes Research, University of Leeds, Leeds, United Kingdom
3. Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, United Kingdom
4. Program in Medical and Population Genetics and Genetic Analysis Platform, Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge, MA
5. Department of Medical Genetics, University of Helsinki and University Central Hospital, Helsinki, Finland
6. Stroke and Dementia Research Centre, St George's University of London, London, United Kingdom
7. Institute for Stroke and Dementia Research, Klinikum der Universität Munich, Ludwig‐Maximilians‐University, Munich, Germany
8. Stroke Prevention Research Unit, University Department of Clinical Neurology, Oxford University, Oxford, United Kingdom
9. Division of Clinical Neurosciences, University of Edinburgh, Edinburgh, United Kingdom
10. Wellcome Trust Centre for Human Genetics and Department of Cardiovascular Medicine, University of Oxford, Oxford, United Kingdom
11. Institute for Molecular Medicine Finland, University of Helsinki, Helsinki, Finland
12. Chronic Disease Epidemiology and Prevention Unit, National Institute for Health and Welfare, Helsinki, Finland
13. Department of Epidemiology and Public Health, Pasteur Institute of Lille, Lille, France
14. Department of Epidemiology and Public Health, University of Strasbourg, Strasbourg, France
15. Department of Epidemiology, Faculty of Medicine, Toulouse‐Purpan, Toulouse, France
16. Department of Internal Medicine, University of Umeo̊, Umeo̊, Sweden
17. Department of Epidemiology, Erasmus University Medical Center, Rotterdam, the Netherlands
18. Department of Neurology, Research Hospital of the Neurological Institute “Carlo Besta,”Milan, Italy
19. DeCODE Genetics, Reykjavik, Iceland
20. Boston University Schools of Medicine and Public Health, Boston, MA
21. Framingham Heart Study, Framingham, MA
22. Departments of Health Services, University of Washington, Seattlem WA
23. Epidemiology, Health Services, University of Washington, Seattle, WA
24. Medicine, and Health Services, University of Washington, Seattle, WA
25. Group Health Research Institute, Group Health, Seattle, WA
26. Department of Neurology, University of Washington, WA
27. Department of Medicine, University of Maryland, Baltimore, MD
28. Clinical Trial Service Unit, University of Oxford, Oxford, United Kingdom
29. University of Insubria, Varese, Italy
30. Cardiovascular Health Research Unit, Department of Medicine, University of Washington, Seattle, WA
31. University of Newcastle, Callaghan, Australia
32. John Hunter Hospital, New Lambton Heights, Australia
33. Hunter Medical Research Institute, New Lambton, Australia
34. Human Genetics Center and Institute of Molecular Medicine, University of Texas Health Sciences Center, Houston, TX
35. Imperial College Cerebrovascular Research Unit, Imperial College London, London, United Kingdom
36. Center for Human Genetic Research, Massachusetts General Hospital and Harvard Medical School, Boston, MA
37. Department of Neurology, Mayo Clinic, Jacksonville, FL, USA
38. University of Mississippi Medical Center, Jackson, MS
39. Queen's University of Belfast, Belfast, United Kingdom