1. Pediatric Medical Center, Ehime Prefectural Central Hospital, Matsuyama
2. Department of Pediatrics, Nippon Medical School, Tokyo
3. Department of Human Health Sciences, Kyoto University School of Medicine, Kyoto
4. Department of Pediatrics, Tohoku University School of Medicine, Sendai
5. Department of Hematology/Oncology Osaka Women’s and Children’s Hospital, Osaka
6. Department of Pediatrics, Hiroshima University Hospital, Hiroshima
7. Department of Pediatrics, St. Luke’s International Hospital, Tokyo
8. Division of Hematology and Oncology, Shizuoka Children’s Hospital, Shizuoka
9. Department of Pediatrics, Mie University Graduate School of Medicine, Mie
10. Section of Pediatrics, National Kyushu Cancer Center, Fukuoka
11. Division of Pediatrics, Niigata Cancer Center, Niigata
12. Division of Hematology-oncology/Regenerative Medicine, Kanagawa Children’s Medical Center, Yokohama
13. Department of Pediatrics, Sapporo Hokuyu Hospital, Sapporo
14. Center for Radiation Protection Knowledge, National Institute of Radiological Science, Chiba
15. Epidemiology and Clinical Research Center for Children’s Cancer, National Center for Child Health and Development, Tokyo
16. Department of Pediatric Surgery, Keio University School of Medicine, Tokyo, Japan