1. Department of Pediatrics Graduate School of Medical Science Kyoto Prefectural University of Medicine Kyoto Japan
2. Department of Neurosurgery Graduate School of Medical Science Kyoto Prefectural University of Medicine Kyoto Japan
3. Department of Pathology and Applied Neurobiology Graduate School of Medical Science Kyoto Prefectural University of Medicine Kyoto Japan
4. Department of Surgical Pathology Graduate School of Medical Science Kyoto Prefectural University of Medicine Kyoto Japan