1. Department of Neurosurgery Faculty of Medicine Hokkaido University Sapporo Japan
2. Department of Nuclear Medicine Hokkaido University Hospital Sapporo Japan
3. Department of Diagnostic Imaging Graduate School of Medicine Hokkaido University Sapporo Japan
4. Department of Molecular Imaging in Medicine Graduate School of Medicine Osaka University Suita Japan
5. Research Center for Nuclear Physics Osaka University Suita Japan
6. Department of Neurosurgery Graduate School of Medicine Osaka University Suita Japan
7. Department of Nuclear Medicine Fukushima Medical University Hospital Fukushima Japan
8. Advanced Clinical Research Center Fukushima Global Medical Science Center Fukushima Medical University Fukushima Japan
9. Department of Neurosurgery Fukushima Medical University Fukushima Japan
10. Central Institute of Isotope Science Hokkaido University Sapporo Japan
11. Biostatistics Division Clinical Research and Medical Innovation Center Hokkaido University Hospital Sapporo Japan
12. Genomics Unit Keio Cancer CenterKeio University School of Medicine Tokyo Japan
13. Department of Radiology Kyoto Prefectural University of Medicine Kyoto Japan