1. Division of Hematology, Jichi Medical University Saitama Medical Center, Saitama, Japan;
2. Department of Medical Oncology and Hematology, Kobe University Hospital, Kobe, Japan;
3. Department of Hematology, Tokyo Women’s Medical University, Tokyo, Japan;
4. Department of Hematology, Kanagawa Cancer Center, Yokohama, Japan;
5. Hematology Division, Tokyo Metropolitan Cancer and Infectious Diseases Center, Komagome Hospital, Tokyo, Japan;
6. Department of Hematology, Sapporo Hokuyu Hospital, Sapporo, Japan;
7. Department of Hematology, Toranomon Hospital, Tokyo, Japan;
8. Department of Hematopoietic Stem Cell Transplantation, National Cancer Center Hospital, Tokyo, Japan;
9. Hematology, Graduate School of Medicine, Osaka City University, Osaka, Japan;
10. Department of Hematology and Oncology, Okayama University Hospital, Okayama, Japan;
11. Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan;
12. Department of Hematology and Oncology, Research Institute for Radiation Biology and Medicine, Hiroshima University, Hiroshima, Japan;
13. Japanese Data Center for Hematopoietic Cell Transplantation, Nagoya, Japan;
14. Department of Healthcare Administration, Nagoya University Graduate School of Medicine, Nagoya, Japan;
15. Department of Hematology and Oncology, Dokkyo Medical University, Tochigi, Japan;
16. Division of Hematology, National Defense Medical College, Tokorozawa, Japan; and
17. Department of Hematology, Oita University Hospital, Oita, Japan