1. Department of Hematology, Nippon Medical School, Tokyo, Japan;
2. Division of Hematology, Department of Medicine, Jichi Medical University, Tochigi, Japan;
3. Division of Hematology, Jichi Medical University Saitama Medical Center, Saitama, Japan;
4. Hematology Division, Tokyo Metropolitan Cancer and Infectious Diseases Center, Komagome Hospital, Tokyo, Japan;
5. Department of Hematology and Oncology, Graduate School of Medicine, Kyoto University, Kyoto, Japan;
6. Division of Hematology and Oncology, Kyoto Prefectural University of Medicine, Kyoto, Japan;
7. Hemato-Oncology Department, St. Luke’s International Hospital, Tokyo, Japan;
8. First Department of Internal Medicine, Kansai Medical University, Osaka, Japan;
9. Department of Hematology, NTT Medical Center Tokyo, Tokyo, Japan;
10. Department of Hematology, Nagano Red Cross Hospital, Nagano, Japan;
11. Department of Hematology, Japanese Red Cross, Kyoto Daini Hospital, Kyoto, Japan;
12. Department of Hematology, Matsushita Memorial Hospital, Osaka, Japan;
13. Department of Hematology, Yokohama Minami Kyousai Hospital, Kanagawa, Japan;
14. Department of Hematology, Chiba Aoba Municipal Hospital, Chiba, Japan;
15. Department of Hematology, IMS Group Shinmatsudo Central General Hospital, Chiba, Japan;
16. Department of Hematology, Chiba University Hospital, Chiba, Japan;
17. Department of Hematology, Eiju General Hopital, Tokyo, Japan;
18. Department of Hematology, Japanese Red Cross Kyoto Daiichi Hospital, Kyoto, Japan;
19. Department of Hematology, Federation of National Public Service Personnel Mutual Aid Associations, Toranomon Hospital, Tokyo, Japan;
20. Division of Hematology, Respiratory Medicine and Oncology, Department of Internal Medicine, Faculty of Medicine, Saga University, Saga, Japan;
21. Department of Hematology and Oncology, Research Institute for Radiation Biology and Medicine, Hiroshima University, Hiroshima, Japan;
22. Department of Hematopoietic Stem Cell Transplantation, National Cancer Center Hospital, Tokyo, Japan;
23. Department of Hematology, Tama-Hokubu Medical Center, Tokyo Metropolitan Health and Medical Treatment Corporation, Tokyo, Japan;
24. Department of Immunology and Hematology, Kobe City Nishi-Kobe Medical Center, Hyogo, Japan;
25. Division of Hematology, Tokyo Metropolitan Ohtsuka Hospital, Tokyo, Japan;
26. Department of Hematology, Juntendo University Nerima Hospital, Tokyo, Japan;
27. Department of Hematology, Oita University Hospital, Oita, Japan;
28. Department of Hematology, Saitama Red Cross Hospital, Saitama, Japan; and
29. Department of Hematology, Juntendo University School of Medicine, Tokyo, Japan