1. Department of Neuro-Oncology and Neurosurgery, National Cancer Center Hospital
2. Department of Neurosurgery, Teikyo University School of Medicine, University Hospital Mizonokuchi
3. Department of Advanced Cancer Science, Yamagata University Faculty of Medicine
4. Department of Neurosurgery, Yamagata University Faculty of Medicine
5. Department of Neurosurgery, Nagoya University Faculty of Medicine
6. Department of Neurosurgery, Tokyo Women’s Medical University
7. Department of Neurosurgery, Kyorin University Faculty of Medicine
8. Department of Neuro-Oncology/Neurosurgery, Saitama International Medical Center, Saitama Medical University