1. Department of Hematology Nagasaki University Hospital Nagasaki Japan
2. Department of Hematology NTT Medical Center Tokyo Tokyo Japan
3. Hematology Division Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital Tokyo Japan
4. Department of Hematology Federation of National Public Service Personnel Mutual Aid Associations Toranomon Hospital Tokyo Japan
5. Department of Hematology Japanese Red Cross Aichi Medical Center Nagoya Daiichi Hospital Nagoya Japan
6. Department of Haematopoietic Stem Cell Transplantation National Cancer Center Hospital Tokyo Japan
7. Department of Hematology/Oncology and Transfusion and Hemapheresis Center Kurashiki Central Hospital Okayama Japan
8. Department of Medicine Division of Hematology Keio University School of Medicine Tokyo Japan
9. Division of Molecular Oncology National Cancer Center Research Institute Tokyo Japan
10. Department of Hematology Hiroshima Red Cross Hospital & Atomic‐bomb Survivors Hospital Hiroshima Japan
11. Department of Hematology Sapporo Hokuyu Hospital Sapporo Japan
12. Department of Hematology and Oncology Okayama University Hospital Okayama Japan
13. Department of Hematology Kyoto University Hospital Kyoto Japan
14. Department of Hematology Hamanomachi Hospital Fukuoka Japan
15. Department of Hematology and Oncology Graduate School of Medicine Kyoto University Kyoto Japan
16. Department of Hematology and Oncology Research Institute for Radiation Biology and Medicine Hiroshima University Hiroshima Japan
17. Japanese Data Center for Hematopoietic Cell Transplantation Nagoya Japan
18. Department of Registry Science for Transplant and Cellular Therapy Aichi Medical University School of Medicine Nagoya Japan
19. Department of Hematology Atomic Bomb Disease and Hibakusha Medicine Unit Atomic Bomb Disease Institute Nagasaki University Nagasaki Japan
20. Department of Hematology Kanazawa University Hospital Kanazawa Japan