1. University of California, San Francisco
2. Department of Neurology, University of Wisconsin School of Medicine and Public Health, Madison
3. University of Pennsylvania, Philadelphia
4. Department of Emergency Medicine, University of Michigan, Ann Arbor
5. Data Coordination Unit, Department of Public Health Sciences, Medical University of South Carolina, Charleston
6. The Emmes Corporation, Rockville, Maryland
7. Department of Emergency Medicine, University of Cincinnati, Cincinnati, Ohio
8. Department of Neurology, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
9. Department of Neurology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
10. Dean’s Office, Dell Medical School, The University of Texas at Austin