1. Department of Neurology, Seoul Metropolitan Government–Seoul National University Boramae Medical Center, Seoul, Korea
2. Department of Biostatistics and Bioinfomatics, Rollins School of Public Health, Emory University, Atlanta, Georgia
3. Department of Neurosciences, Medical University of South Carolina Stroke Program, Charleston
4. Department of Neurology and Neurosurgery, School of Medicine, Washington University, St Louis, Missouri
5. Department of Neurosurgery, State University of New York, Stony Brook
6. Clinical Research Center, Morehouse School of Medicine, Atlanta, Georgia
7. National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland
8. Department of Radiology, Medical University of South Carolina Stroke Program, Charleston