Nagoya University - Department of Advanced Medicine, Jichi Medical University Saitama Medical Center - Division of Hematology, affiliation not provided to SSRN, Komagome Hospital, Toranomon Hospital - Department of Hematology, Japanese Red Cross Aichi Medical Center Nagoya Daiichi Hospital - Department of Hematology, National Cancer Center Hospital - Department of Hematopoietic Stem Cell Transplantation, affiliation not provided to SSRN, Hyogo Medical University Hospital - Department of Hematology, Sapporo Hokuyu Hospital, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Japanese Data Center for Hematopoietic Cell Transplantation and affiliation not provided to SSRN