1. Department of Neurology, National Cerebral and Cardiovascular Center
2. Division of Stroke Care Unit, National Cerebral and Cardiovascular Center
3. Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center
4. Department of Molecular Pathogenesis, National Cerebral and Cardiovascular Center
5. Departments of Preventive Medicine and Epidemiology, National Cerebral and Cardiovascular Center
6. Center for Advancing Clinical and Translational Sciences, National Cerebral and Cardiovascular Center
7. Department of Neurosurgery, Nakamura Memorial Hospital
8. Department of Neurosurgery, Gifu University Graduate School of Medicine
9. Department of Stroke Neurology, Kohnan Hospital
10. Department of Neurology, National Hospital Organization Okayama Medical Center
11. Department of Neurosurgery, National Hospital Organization Sendai Medical Center
12. Department of Neurology, Kobe City Medical Center General Hospital
13. Department of Stroke Neurology, National Hospital Organization Osaka National Hospital
14. Clinical Research Center for Medicine, International University of Health and Welfare, Center for Brain and Cerebral Vessels, Sanno Hospital and Sanno Medical Center