1. Department of Neurology, Kyoto University Graduate School of Medicine, Kyoto, Japan
2. Department of Human Health Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan
3. Department of Neurology, Ishiki Hospital, Kagoshima, Japan
4. Department of Neurology, Osaka Saiseikai Nakatsu Hospital, Osaka, Japan
5. Department of Neurology, Osaka Redcross Hospital, Osaka, Japan
6. Department of Neurology, Kitano Hospital, Osaka, Japan
7. Department of Neurology, Misasagi Hospital, Kyoto, Japan
8. Department of Neurology, Tenri Yorozu Hospital, Nara, Japan
9. Department of Neurology, Sapporo Medical University, Sapporo, Japan