1. Department of Neurology, University of Virginia, Charlottesville
2. Department of Neurology, Medical College of Georgia, Augusta University, Augusta
3. Department of Public Health Sciences, Medical University of South Carolina, Charleston
4. Department of Neurology and Neurotherapeutics, UT Southwestern Medical Center, Dallas, Texas
5. Department of Neurology, Mayo Clinic Florida, Jacksonville
6. Department of Emergency Medicine, University of Michigan, Ann Arbor
7. Brain Institute, University of Virginia, Charlottesville
8. National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland