1. Department of Child Neurology, National Center Hospital, National Center of Neurology and Psychiatry Tokyo Japan
2. Department of Neurosurgery, National Center Hospital, National Center of Neurology and Psychiatry Tokyo Japan
3. Department of Radiology, National Center Hospital, National Center of Neurology and Psychiatry Tokyo Japan
4. Department of Pathology, Brain Research Institute Niigata University Niigata Japan
5. Department of Clinical Laboratory, National Center Hospital, National Center of Neurology and Psychiatry Tokyo Japan
6. Epilepsy Hospital Bethel Japan Miyagi Japan