1. University of Cincinnati, Cincinnati, Ohio
2. University of Tennessee College of Medicine, Chattanooga
3. University of Buffalo, Buffalo, New York
4. University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
5. Dayton Medical Center, Department of Veterans Affairs, Dayton, Ohio
6. University of Pennsylvania, Philadelphia
7. Medical University of South Carolina, Charleston
8. SUNY Downstate Medical Center, Brooklyn, New York
9. Kings County Hospital Center, Brooklyn, New York
10. University of Miami Miller School of Medicine, Miami, Florida
11. Comprehensive Stroke Center and Department of Neurology, University of California, Los Angeles
12. Genentech, South San Francisco, California
13. Everest Clinical Research, Markham, Ontario, Canada