1. Department of Transfusion Medicine and Cell Therapy and
2. Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan;
3. Department of Hematology, Endocrinology and Metabolism, Niigata University Faculty of Medicine, Niigata, Japan;
4. Department of Hematology, Hokkaido University Hospital, Hokkaido, Japan;
5. Department of Hematology, Federation of National Public Service Personnel Mutual Aid Associations, Toranomon Hospital, Tokyo, Japan;
6. Department of Hematopoietic Stem Cell Transplantation, National Cancer Center Hospital, Tokyo, Japan;
7. Hematology Division, Tokyo Metropolitan Cancer and Infectious Diseases Center, Komagome Hospital, Tokyo, Japan;
8. Department of Hematology, Japanese Red Cross Nagoya First Hospital, Aichi, Japan;
9. Department of Hematology, Hamanomachi Hospital, Fukuoka, Japan;
10. Department of Hematology, Kanagawa Cancer Center, Kanagawa, Japan;
11. Division of Hematology, Department of Internal Medicine, Hyogo College of Medicine, Hyogo, Japan;
12. Division of Hematology, Department of Medicine, Keio University School of Medicine, Tokyo, Japan;
13. Department of Hematology, Hiroshima Red Cross Hospital & Atomic-bomb Survivors Hospital, Hiroshima, Japan;
14. Department of Hematology and Oncology, Research Institute for Radiation Biology and Medicine, Hiroshima University, Hiroshima, Japan;
15. Division of Hematology, Jichi Medical University, Saitama, Japan;
16. Japanese Data Center for Hematopoietic Cell Transplantation, Nagoya, Japan; and
17. Department of Healthcare Administration, Nagoya University Graduate School of Medicine, Nagoya, Japan