Affiliation: | 1. Laboratory of Cancer Research, Department of Pathology;2. Department of Neurosurgery, Nakamura Memorial Hospital;3. Laboratory of Translational Pathology, Hokkaido University School of Medicine;4. Department of Diagnostic Pathology, Kobe University Hospital, Kobe;5. Department of Neurosurgery, Seiwa Memorial Hospital;6. Department of Pathology, Sapporo Higashi‐Tokushukai Hospital, Sapporo, Japan |