1. Department of Nursing, The Stanley Steyer School of Health Professions, Tel Aviv University, Tel Aviv, Israel
2. Department of Epidemiology, Johns Hopkins University School of Public Health, Baltimore, Maryland
3. Department of Biostatistics, University of North Carolina, Chapel Hill
4. Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, Maryland
5. Department of Neurology, Mayo Clinic, Rochester, Minnesota
6. Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis
7. Department of Medicine, University of Mississippi Medical Center, Jackson
8. Department of Epidemiology, University of North Carolina, Chapel Hill
9. Department of Neurology, University of Pennsylvania, Philadelphia
10. Duke Clinical Research Institute, Durham, North Carolina
11. Stroke Branch, National Institute of Neurological Disorders and Stroke Intramural Research Program, National Institutes of Health, Bethesda, Maryland