1. Department of Child Neurology, National Center Hospital National Center of Neurology and Psychiatry (NCNP) Tokyo Japan
2. Department of Epileptology, National Center Hospital NCNP Tokyo Japan
3. Division of Pediatrics Soleil Kawasaki Medical Center for the Handicapped Kawasaki Japan
4. Department of Neurosurgery, National Center Hospital NCNP Tokyo Japan
5. Department of Human Genetics Yokohama City University Graduate School of Medicine Yokohama Japan
6. Department of Neurology and Stroke Medicine Yokohama City University Graduate School of Medicine Yokohama Japan
7. Department of Pediatrics, Showa University School of Medicine and Epilepsy Medical Center Showa University Hospital Tokyo Japan