1. Department of Hematology Sungkyunkwan University Samsung Medical Center Seoul Republic of Korea
2. Department of Blood Transfusion Osaka University Hospital OsakaJapan
3. Department of Transfusion and Cell Transplantation Kitasato University School of Medicine SagamiharaJapan
4. Department of Hematology Kurume University Hospital KurumeJapan
5. Department of Hematology NTT Medical Center Tokyo TokyoJapan
6. Department of Hematology Japanese Red Cross Kyoto Daini Hospital KyotoJapan
7. Department of Internal Medicine Matsuyama Red Cross Hospital MatsuyamaJapan
8. Department of Hematology Ogaki Municipal Hospital OgakiJapan
9. Department of Hematology and Rheumatology Kindai University Faculty of Medicine OsakaJapan
10. Department of Hematology and Oncology Dokkyo Medical University TochigiJapan
11. Department of Hematology International Medical Center Saitama Medical University SaitamaJapan
12. Department of Hematology and Oncology Anjo Kosei Hospital AnjoJapan
13. Department of Hematology National Hospital Organization Kumamoto Medical Center KumamotoJapan
14. Department of Hematology Sapporo Hokuyu Hospital SapporoJapan
15. Department of Hematology and Rheumatology Tohoku University Hospital SendaiJapan
16. Department of Transfusion Medicine and Cell Therapy Kumamoto University Hospital KumamotoJapan
17. Kyowa Kirin Co., Ltd. TokyoJapan
18. Department of Hemato‐Oncology International Medical Center Saitama Medical University SaitamaJapan
19. Division of Hematology Jichi Medical University Tochigi Japan
20. Division of Hematology Seoul St. Mary’s HospitalThe Catholic University of Korea Seoul Republic of Korea
21. Division of Transfusion Medicine Kanazawa University Hospital Kanazawa Japan