1. Department of Hematology, Japanese Red Cross Nagoya First Hospital, Nagoya, Japan;
2. Tokai-Hokuriku Block Blood Center, Seto, Japan;
3. Kanazawa University, Kanazawa, Japan;
4. Department of Clinical Oncology and Hematology, The Jikei University School of Medicine, Tokyo, Japan;
5. Department of Hematology, Chiba University Hospital, Chiba, Japan;
6. Department of Hematology, International University of Health and Welfare, Narita, Japan;
7. Department of Hematology, Saiseikai Yokohama Nanbu Hospital, Yokohama, Japan;
8. Department of Hematology, Yokohama City University Medical Center, Yokohama, Japan;
9. Leukemia Research Center, Saiseikai Maebashi Hospital, Maebashi, Japan;
10. Department of Hematology, Toyama Prefecture Center Hospital, Toyama, Japan;
11. Division of Hematology and Rheumatology, Department of Medicine, Nihon University School of Medicine, Tokyo, Japan;
12. Department of Hematology, Fujita Health University, Toyoake, Japan;
13. Department of Hematology, Fujisawa City Hospital, Fujisawa, Japan;
14. Department of Nursing, Nagasaki University, Nagasaki, Japan;
15. Department of Hematology, Atomic Bomb Disease Institute, Nagasaki University, Nagasaki, Japan; and
16. National Hospital Organization Nagoya Medical Center, Nagoya, Japan