1. Department of Neurology, Showa University Koto Toyosu Hospital
2. Department of Neurology, Juntendo University Faculty of Medicine
3. Department of Neurology, St.Marianna University School of Medicine
4. Department of Neurology, Iwate Prefectural Central Hospital
5. Department of Neurology and Strokology, Nagasaki University Hospital
6. Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center
7. Department of Neurology, Juntendo University Urayasu Hospital
8. Department of Neurology, Dokkyo Medical University
9. Department of Neurology, National Cerebral and Cardiovascular Center
10. Division of Neurology, Department of Medicine, Showa University School of Medicine