1. Department of Hematology Kanazawa University Hospital Kanazawa Japan
2. Department of Hematopoietic Stem Cell Transplantation National Cancer Center Hospital Tokyo Japan
3. Department of Hematology Jyoban Hospital of Tokiwa Foundation Fukushima Japan
4. Division of Hematology Department of Internal Medicine Aichi Medical University Nagakute Japan
5. Hematology Division Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital Tokyo Japan
6. Department of Hematology Federation of National Public Service Personnel Mutual Aid Associations Toranomon Hospital Tokyo Japan
7. Department of Hematology and Oncology Tokai University School of Medicine Isehara Japan
8. Department of Hematology Kanagawa Cancer Center Yokohama Japan
9. Department of Hematology Hiroshima Red Cross Hospital and Atomic‐bomb Survivors Hospital Hiroshima Japan
10. Department of Hematology Japanese Red Cross Aichi Medical Center Nagoya Daiichi Hospital Nagoya Japan
11. Department of Hematology Hyogo Medical University Hospital Hyogo Japan
12. Leukemia Research Center Saiseikai Maebashi Hospital Maebashi Japan
13. Department of Hematology National Hospital Organization Kumamoto Medical Center Kumamoto Japan
14. Division of Hematology‐Oncology Japanese Red Cross Society Narita Hospital Narita Japan
15. Japanese Data Center for Hematopoietic Cell Transplantation Nagoya Japan
16. Department of Registry Science for Transplant and Cellular Therapy Aichi Medical University School of Medicine Nagakute Japan
17. Department of Hematology and Cell Therapy Aichi Cancer Center Nagoya Japan