1. Division of Hematology, Jichi Medical University Saitama Medical Center, Saitama, Japan
2. Division of Hematopoietic Stem Cell Transplantation, National Cancer Center Hospital, Tokyo, Japan
3. Department of Haematology and Oncology, Dokkyo Medical University, Tochigi, Japan
4. Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
5. Hematology Division, Tokyo Metropolitan Cancer and Infectious Diseases Center, Komagome Hospital, Tokyo, Japan
6. Department of Hematology, Japanese Red Cross Nagoya First Hospital, Nagoya, Japan
7. Department of Hematology, Kanagawa Cancer Center, Yokohama, Japan
8. Department of Hematology, Federation of National Public Service Personnel Mutual Aid Associations Toranomon Hospital, Tokyo, Japan
9. Division of Hematology, Department of Medicine, Jichi Medical University, Tochigi, Japan
10. Department of Hematology, Hiroshima Red Cross Hospital and Atomic Bomb Survivors Hospital, Hiroshima, Japan
11. Department of Hematology, Hokkaido University Faculty of Medicine, Sapporo, Japan
12. Department of Hematology, Sapporo Hokuyu Hospital, Sapporo, Japan
13. Department of Hematology and Oncology, Okayama University Hospital, Okayama, Japan
14. Department of Hematology and Oncology, Tokai University School of Medicine, Kanagawa, Japan
15. Japanese Data Center for Hematopoietic Cell Transplantation, Nagoya, Japan
16. Department of Healthcare Administration, Nagoya University Graduate School of Medicine, Nagoya, Japan
17. Department of Hematology and Oncology, Nagoya University Graduate School of Medicine, Nagoya, Japan