1. Department of Neurology, University of Alabama at Birmingham, Birmingham, AL
2. Stroke Program, Birmingham Veterans Affairs Medical Center, Birmingham, AL
3. Department of Neurology, University of Texas – Houston Memorial Hermann Medical Center, Houston, TX
4. Department of Neurology, University of Pennsylvania, Philadelphia, PA
5. Department of Epidemiology, University of Alabama at Birmingham, Birmingham, AL
6. Health Services and Outcomes Research Center for Outcome and Effectiveness Research and Education (COERE), University of Alabama at Birmingham, Birmingham, AL
7. Center for Excellence in Comparative Effectiveness Research for Eliminating Disparities (CERED) Minority Health & Health Disparities Research Center (MHRC), University of Alabama at Birmingham, Birmingham, AL
8. Geriatric Research Education and Clinical Center (GRECC), Birmingham Veterans Affairs Medical Center, Birmingham, AL
9. School of Medicine, Duke University, Durham, NC
10. Gertrude Sergievsky Center, Department of Neurology, Columbia University, New York, NY
11. Department of Clinical Epidemiology and Biostatistics, University of Pennsylvania, Philadelphia, PA
12. Department of Emergency Medicine, University of Pennsylvania, Philadelphia, PA