Affiliation: | 1. Division of Pediatric Oncology, National Cancer Center Hospital, Tokyo, Japan;2. Division of Pathology and Clinical Laboratories, National Cancer Center Hospital, Tokyo, Japan;3. Division of Breast and Medical Oncology, National Cancer Center Hospital, Tokyo, Japan;4. Division of Pediatric Oncology, National Cancer Center Hospital East, Tokyo, Japan;5. Division of Musculoskeletal Oncology, National Cancer Center, Tokyo, Japan |