1. Department of Pediatrics Okayama University Hospital Okayama Japan
2. Department of Pediatrics Keio University School of Medicine Tokyo Japan
3. Department of Pediatrics Sugita Genpaku Memorial Obama Municipal Hospital Obama Japan
4. Department of Hematology Kyoto University Hospital Kyoto Japan
5. Department of Hematology Kanagawa Cancer Center Yokohama Japan
6. Hematology Division, Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital Tokyo Japan
7. Department of Hematology Hokkaido University Faculty of Medicine Sapporo Japan
8. Department of Hematology Hamanomachi Hospital Fukuoka Japan
9. Division of Blood Transfusion Akita University Hospital Akita Japan
10. Department of Hematology and Cell Therapy Yamagata University Hospital Yamagata Japan
11. Department of Hematology and Oncology Mie University Hospital Tsu Japan
12. Department of Hematology Osaka Metropolitan University Hospital Osaka Japan
13. Division of Pediatric Hematology and Oncology Ibaraki Children's Hospital Mito Japan
14. Central Japan Cord Blood Bank Seto Japan
15. Department of Hematology and Oncology Miyagi Children's Hospital Sendai Japan
16. Department of Pediatrics Chiba University Graduate School of Medicine Chiba Japan
17. Children's Cancer Center National Center for Child Health and Development Tokyo Japan
18. Japanese Data Center for Hematopoietic Cell Transplantation Nagakute Japan
19. Department of Registry Science for Transplant and Cellular Therapy Aichi Medical University School of Medicine Nagakute Japan
20. Department of Pediatric Hematology/Oncology Kitakyushu City Yahata Hospital Kitakyushu Japan
21. Department of Cell Processing and Transfusion, Institute of Medical Science University of Tokyo Tokyo Japan