1. Center for Cancer Control and Information Services, National Cancer Center, Tokyo
2. Cancer Control Center, Osaka International Cancer Institute, Osaka
3. Department of Neurosurgery and Neuro-Oncology, National Cancer Center Hospital, Tokyo
4. Department of Pediatric Oncology, National Cancer Center Hospital, Tokyo
5. Department of Hematology, National Cancer Center Hospital, Tokyo
6. Rare Cancer Center, National Cancer Center Hospital, Tokyo
7. Department of Musculoskeletal Oncology and Rehabilitation, National Cancer Center Hospital, Tokyo