1. Department of Neurology, Kurashiki Central Hospital, Okayama, Japan
2. Department of Neurology, Utano National Hospital, National Hospital Organization, Kyoto, Japan
3. Department of Stroke Unit, Kurashiki Central Hospital, Okayama, Japan
4. Department of Neurosurgery, Kurashiki Central Hospital, Okayama, Japan
5. Department of Epilepsy, Movement Disorders and Physiology, Kyoto University Graduate School of Medicine, Kyoto, Japan