1. Department of Neurology International University of Health and Welfare Narita Japan
2. Department of Neurology Hanamaki General Hospital Hanamaki Japan
3. Faculty of Engineering Department of Engineering Medical Engineering Course Nagasaki Institute of Applied Science Nagasaki Japan
4. Department of Neurology Keio University School of Medicine Tokyo Japan
5. Department of Neurology Sapporo Medical University Hospital Sapporo Japan