1. Department of Pediatrics Okayama University Hospital Okayama Japan
2. Department of Pediatrics The University of Tokyo Hospital Tokyo Japan
3. Department of Pediatrics Jichi Medical University School of Medicine Shimotsuke Japan
4. Department of Pediatric Oncology National Cancer Center Hospital Tokyo Japan
5. Hematology Division Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital Tokyo Japan
6. Division of Hematology Jichi Medical University Saitama Medical Center Saitama Japan
7. Department of Hematology/Oncology Osaka Women's and Children's Hospital Izumi Japan
8. Department of Pediatrics National Hospital Organization Kyushu Cancer Center Fukuoka Japan
9. Division of Pediatric Hematology and Oncology Ibaraki Children's Hospital Ibaraki Japan
10. Department of Hematology/Oncology Saitama Children's Medical Center Saitama Japan
11. Department of Pediatric Hematology/Oncology Osaka City General Hospital Osaka Japan
12. Division of Hematology/Oncology Kanagawa Children's Medical Center Yokohama Japan
13. Department of Hematology/Oncology for Children and Adolescents Sapporo Hokuyu Hospital Sapporo Japan
14. Department of Pediatric Hematology/Oncology Japanese Red Cross Narita Hospital Narita Japan
15. Department of Pediatrics Shinshu University School of Medicine Matsumoto Japan
16. Department of Pediatrics Nagoya University Graduate School of Medicine Nagoya Japan
17. Department of Hematology and Oncology Miyagi Children's Hospital Sendai Japan
18. Department of Hematology Tokyo Women's Medical University Tokyo Japan
19. Department of Cancer Immunotherapy/Pediatrics Osaka University Graduate School of Medicine Osaka Japan
20. Japanese Data Center for Hematopoietic Cell Transplantation Nagoya Japan
21. Department of Registry Science for Transplant and Cellular Therapy Aichi Medical University School of Medicine Nagakute Japan
22. Children's Cancer Center National Center for Child Health and Development Tokyo Japan
23. Department of Pediatrics Kyoto Prefectural University of Medicine Graduate School of Medical Science Kyoto Japan