1. Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan;
2. Department of Hematology, Imamura Bun-in Hospital, Kagoshima, Japan;
3. Department of Hematology, Toranomon Hospital, Tokyo, Japan;
4. Department of Hematology, Hamanomachi Hospital, Fukuoka, Japan;
5. Department of Hematology, Sasebo City General Hospital, Sasebo, Japan;
6. Stem Cell Transplantation Unit, National Cancer Center Hospital, Tokyo, Japan;
7. Division of Internal Medicine, National Hospital Organization, Kumamoto Medical Center, Kumamoto, Japan;
8. Department of Hematology and Molecular Medicine Unit, Atomic Bomb Disease Institute, Nagasaki University Graduate School of Biomedical Science, Nagasaki, Japan;
9. Cancer Center, University Hospital, Faculty of Medicine, University of the Ryukyus, Nishihara, Japan;
10. Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan;
11. Division of Hematology, Ehime Prefectural Central Hospital, Matsuyama, Japan;
12. Japanese Red Cross Tokyo Metropolitan Blood Center, Tokyo, Japan;
13. Department of Transfusion Medicine, Hyogo College of Medicine, Nishinomiya, Japan;
14. Department of Hematopoietic Stem Cell Transplantation Data Management, Nagoya University School of Medicine, Nagoya, Japan;
15. Division of Epidemiology and Prevention, Aichi Cancer Center, Nagoya, Japan;
16. Department of Cell Processing and Transfusion, Research Hospital, Institute of Medical Science, University of Tokyo, Tokyo, Japan;
17. Department of Cell Transplantation and Regenerative Medicine, Tokai University School of Medicine, Isehara, Japan;
18. Hematology Division, Tokyo Metropolitan Komagome Hospital, Tokyo, Japan;
19. Department of Hematology and Cell Therapy, Aichi Cancer Center Hospital, Nagoya, Japan; and
20. Institute for Clinical Research, National Kyushu Cancer Center, Fukuoka, Japan