1. Department of Hematology and Oncology; Graduate School of Medicine; Kyoto University; Kyoto Japan
2. Department of Hematology; Kobe City Medical Center General Hospital; Kobe Japan
3. Hematology Division; Tokyo Metropolitan Cancer and Infectious Disease Center; Komagome Hospital; Japan
4. Division of Hematology; Tokyo Metropolitan Ohtsuka Hospital; Tokyo Japan
5. Department of Hematology; Sasebo City General Hospital; Sasebo Japan
6. Division of Hematopoietic Stem Cell Transplantation; National Cancer Center Hospital; Japan
7. Department of Hematology; Toranomon Hospital; Tokyo Japan
8. Department of Hematology/Oncology; Kurashiki Central Hospital; Kurashiki Japan
9. Department of Hematology; Hamanomachi Hospital; Fukuoka Japan
10. Division of Hematology; Keio University School of Medicine; Tokyo Japan
11. Department of Hematology; Hiroshima Red Cross Hospital and Atomic-bomb Survivors Hospital; Hiroshima Japan
12. Division of Epidemiology and Prevention; Aichi Cancer Center Research Institute; Nagoya Japan
13. Department of Hematology; Tokyo Women's Medical University; Tokyo Japan
14. Department of Hematopoietic Stem Cell Transplantation Data Management/Biostatistics; Nagoya University School of Medicine; Nagoya Japan
15. Department of Hematology; Atomic Bomb Disease and Hibakusha Medicine Unit; Atomic Bomb Disease Institute; Nagasaki University; Nagasaki Japan