1. Department of Neurosurgery, Gifu University Graduate School of Medicine, Gifu, Gifu, Japan
2. Chubu Medical Center for Prolonged Traumatic Brain Dysfunction, Kizawa Memorial Hospital, Minokamo, Gifu, Japan
3. Department of Pathology, Gifu University Hospital, Gifu, Gifu, Japan
4. Department of Pediatrics, Gifu University Graduate School of Medicine, Gifu, Gifu, Japan