1. Institute of Applied Health Sciences School of Medicine, Medical Sciences & Nutrition University of Aberdeen United Kingdom
2. Duke Clinical Research Institute Duke University School of Medicine Durham NC
3. Department of Neurology Duke University Medical Center Durham NC
4. Department of Biostatistics and Bioinformatics Duke University Durham NC
5. Department of Epidemiology and Biostatistics Michigan State University Michigan MI
6. Stroke Program Department of Neurology David Geffen School of Medicine at UCLA Los Angeles CA
7. Brigham and Women's Hospital Heart & Vascular Center Harvard Medical School Harvard University Boston MA
8. Division of Cardiology David Geffen School of Medicine at UCLA Los Angeles CA
9. Department of Neurology, Stroke Service Massachusetts General Hospital Boston MA
10. Calgary Stroke Programme & Department of Clinical Neurosciences University of Calgary Calgary Canada