1. Department of Hematologic Oncology National Hospital Organization Shikoku Cancer Center Matsuyama Japan
2. Clinical Research Center National Hospital Organization Nagoya Medical Center Nagoya Japan
3. Department of Clinical Biostatistics Graduate School of Medicine Kyoto University Kyoto Japan
4. Department of Hematology National Hospital Organization Kyushu Cancer Center Fukuoka Japan
5. Department of Hematology National Hospital Organization Kumamoto Medical Center Kumamoto Japan
6. Department of Hematology National Hospital Organization Nagoya Medical Center Nagoya Japan
7. Department of Hematology and Clinical Research Institute National Hospital Organization Kyushu Medical Center Fukuoka Japan
8. Department of Hematology and Internal Medicine National Hospital Organization Tokyo Medical Center Tokyo Japan
9. Department of Internal Medicine National Hospital Organization Hiroshima‐Nishi Medical Center Otake Japan
10. Department of Hematology National Hospital Organization Mito Medical Center Higashiibarakigun Japan
11. Department of Hematology National Hospital Organization Minami‐Okayama Medical Center Okayama Japan
12. Stem Cell Transplantation Center National Hospital Organization Yonago Medical Center Yonago Japan
13. Department of Hematology National Hospital Organization Okayama Medical Center Okayama Japan
14. Department of Hematology National Hospital Organization Nagasaki Medical Center Omura Japan
15. Department of Bacteriology Osaka City University Graduate School of Medicine Osaka Japan
16. Department of Chemotherapy and Mycoses National Institute of Infectious Diseases Tokyo Japan