1. Department of Neurology, Columbia University Medical Center, New York, New York2currently with the Department of Neurology, Brown University, Providence, Rhode Island
2. Department of Neurology, Columbia University Medical Center, New York, New York
3. Department of Neurology, Cleveland Clinic Foundation, Cleveland, Ohio
4. Department of Neurology, Washington University in St Louis, St Louis, Missouri
5. Department of Neurology, University of Arkansas for Medical Sciences, Fayetteville
6. Department of Neurology, Tulane University, New Orleans, Louisiana
7. Department of Neurology, The University of Alabama at Birmingham, Birmingham
8. Department of Neurology, UCLA (University of California, Los Angeles), for the UCLA Acute Stroke Investigators, Los Angeles
9. Department of Neurology, Hospital of the University of Pennsylvania, Philadelphia
10. Department of Neurology, University of Oklahoma, Norman
11. Department of Neurology, Massachusetts General Hospital, Boston