1. Epilepsy Center; Department of Neurosurgery; Nishi-Isahaya Hospital; Nagasaki Japan
2. Epilepsy Center; Department of Neurosurgery; National Hospital Organization Nagasaki Medical Center; Nagasaki Japan
3. Department of Neurosurgery; National Hospital Organization Kawatana Medical Center; Nagasaki Japan
4. Epilepsy Center; Department of Pediatrics; National Hospital Organization Nagasaki Medical Center; Nagasaki Japan
5. Department of Neurosurgery; Nagasaki University Graduate School of Biomedical Sciences; Nagasaki Japan