1. Department of Hematology; Kanagawa Cancer Center; Yokohama Japan
2. Department of Hematology and Clinical Research Institute; National Hospital Organization Kyushu Medical Center; Fukuoka Japan
3. Division of Hematopoietic Stem Cell Transplantation; National Cancer Center Hospital; Tokyo Japan
4. Division of Hematology; Department of Internal Medicine; Hyogo College of Medicine; Hyogo Japan
5. Department of Hematology; Hiroshima Red Cross Hospital and Atomic-Bomb Survivors Hospital; Hiroshima Japan
6. Department of Hematology; Tokyo Metropolitan Cancer and Infectious Disease Center Komagome Hospital; Tokyo Japan
7. Department of Internal Medicine; Toyama Prefectural Central Hospital; Toyama Japan
8. Department of Hematology/Oncology; Tokai University School of Medicine; Isehara Japan
9. Department of Hematology; Tenri Hospital; Tenri Japan
10. Department of Hematology; Hokkaido University Hospital; Sapporo Japan
11. Department of Hematology; Sapporo Hokuyu Hospital; Sapporo Japan
12. Division of Epidemiology and Prevention; Aichi Cancer Center Research Institute; Aichi Japan
13. Department of General Internal Medicine and Clinical Laboratory Medicine; Akita University Graduate School of Medicine; Akita Japan
14. Japanese Data Center for Hematopoietic Cell Transplantation; Nagoya Japan
15. Department of Healthcare Administration; Nagoya University Graduate School of Medicine; Nagoya Japan
16. Division of Clinical Oncology and Hematology; Department of Internal Medicine; Jikei University School of Medicine; Tokyo Japan
17. Division of Hematology; Department of Internal Medicine; Aichi Medical University; Aichi Japan