Affiliation: | 1. Department of Pathology, Gunma Cancer Center Hospital, 617-1 Takabayashi, Ota, Gunma, 373, Japan 2. Department of Pathology, Gunma University School of Medicine, Maebashi, Gunma, Japan 3. Department of Public Health, Gunma University School of Medicine, Maebashi, Gunma, Japan 4. Department of Neurosurgery, Gunma University School of Medicine, Maebashi, Gunma, Japan
|