1. Department of Hematology; Yokohama Saiseikai Nanbu Hospital; Yokohama; Japan
2. Department of Hematology; Kumamoto University School of Medicine; Kumamoto; Japan
3. Graduate School of Public Health; Teikyo University; Tokyo; Japan
4. Department of HSCT Data Management and Biostatistics; Nagoya University School of Medicine; Nagoya; Japan
5. First Department of Internal Medicine; Kansai Medical University; Moriguchi; Japan
6. Department of Hematology and Oncology; Nagoya University Graduate School of Medicine; Aichi; Japan
7. Department of Internal Medicine; Division of Hematology; Hyogo College of Medicine; Nishinomiya; Japan
8. Department of Hematology; Fujita Health University; Toyoake; Japan
9. Department of Internal Medicine; PL General Hospital; Tondabayashi; Japan
10. Department of Hematology and Oncology; University of Fukui; Fukui; Japan
11. School of Health Sciences; Kanazawa University; Kanazawa; Japan
12. Department of Hematology; Tochigi Cancer Center; Utsunomiya; Japan
13. Department of Hematology; Chiba University; Chiba; Japan
14. Department of Internal Medicine and Clinical Immunology; Yokohama City University Graduate School of Medicine; Yokohama; Japan
15. Department of Hematology and Oncology; Okayama University Graduate of School; Okayama; Japan
16. Department of Internal Medicine III; Hamamatsu University School of Medicine; Hamamatsu; Japan
17. Department of Hematology; Atomic Bomb Disease and Hibakusya Medicine Unit; Atomic Bomb Disease Institute; Nagasaki University Graduate School of Biomedical Sciences; Nagasaki; Japan
18. Division of Hematology; Tokyo Metropolitan Ohtsuka Hospital; Tokyo; Japan