1. Department of Neurology; Graduate School of Medical Sciences; Kumamoto University; Kumamoto Japan
2. Department of Neurology; National Hospital Organization; Kumamoto Saishunsou National Hospital; Kumamoto Japan
3. Department of Neurology; National Hospital Organization; Kumamoto Minami National Hospital; Kumamoto Japan
4. Department of Neurology and Geriatrics; Kagoshima University Graduate School of Medical and Dental Sciences; Kagoshima Japan
5. Department of Computational Biology; Graduate School of Frontier Sciences; The University of Tokyo; Tokyo Japan
6. Department of Neurology; Graduate School of Medicine; The University of Tokyo; Tokyo Japan