1. Department of Neurology and Geriatrics; Kagoshima University Graduate School of Medical and Dental Sciences; Kagoshima Japan
2. Department of Neurology, Graduate School of Medicine; The University of Tokyo; Tokyo Japan
3. Department of Pediatric Neurology; Aichi Prefectural Colony Central Hospital; Aichi Japan
4. Department of Pediatrics; Yamaguchi University Graduate School of Medicine; Yamaguchi Japan
5. Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences; The University of Tokyo; Chiba Japan
6. Department of Neurology, North Medical Center; Kyoto Prefectural University of Medicine; Kyoto Japan