1. Department of Neurology Keio University School of Medicine Tokyo Japan
2. Department of Neurology Tokyo Medical University Tokyo Japan
3. Department of Neurology Graduate School of Medicine, Chiba University Chiba Japan
4. Department of Neurology Hanamaki General Hospital Hanamaki Japan
5. Department of Neurology Toho University Ohashi Medical Center Tokyo Japan
6. Department of Neurology National Hospital Organization Sendai Medical Center Sendai Japan
7. Department of Clinical Laboratory and Biomedical Sciences, Division of Health Sciences Osaka University Graduate School of Medicine Osaka Japan
8. Department of Clinical Neuroscience and Therapeutics Hiroshima University Hiroshima Japan
9. Department of Neurology Kindai University Faculty of Medicine Sayama Japan
10. Department of Neurology Hyogo Medical University Nishinomiya Japan
11. Department of Neurology National Hospital Organization Hokkaido Medical Center Sapporo Japan
12. Department of Neurology Neurology Chiba Clinic Chiba Japan
13. Department of Neurology International University of Health and Welfare Narita Japan