1. Department of Neurology, Faculty of Medicine, Kyorin University, Japan
2. Department of Neurology, Tohoku University Graduate School of Medicine, Japan
3. Department of Neurology, National Hospital Organization, Yonezawa Hospital, Japan
4. Department of Neurology, Tohoku Medical and Pharmaceutical University, Japan
5. Department of Neurology and Strokology, Nagasaki University Hospital, Japan
6. Medical Engineering Course, Department of Engineering, Faculty of Engineering, Nagasaki Institute of Applied Science, Japan