1. Division of Haematology; Saitama Medical Centre; Jichi Medical University; Saitama; Japan
2. Department of Haematology; Kanagawa Cancer Centre; Kanagawa; Japan
3. Department of Haematology; Sapporo Hokuyu Hospital; Hokkaido; Japan
4. Department of Haematology and Oncology; Hokkaido University Graduate School of Medicine; Hokkaido; Japan
5. Department of Haematology and Oncology; Graduate School of Medicine; University of Tokyo; Tokyo; Japan
6. Haematology; Graduate School of Medicine; Osaka City University; Osaka; Japan
7. Department of Internal Medicine III; Hamamatsu University School of Medicine; Shizuoka; Japan
8. Department of Clinical and Experimental Haematology; Institute of Clinical Medicine; University of Tsukuba; Ibaraki; Japan
9. Department of Haematology; Chiba University Hospital; Chiba; Japan
10. Department of Haematology; School of Medicine; Fujita Health University; Aichi; Japan
11. Division of Haematology; NTT Kanto Medical Centre; Tokyo; Japan
12. Department of Haematology; Rinku General Medical Centre; Osaka; Japan
13. Department of Cardiology and Haematology; Fukushima Medical University; Fukushima; Japan
14. Department of Haematology and Oncology; Dokkyo Medical University School of Medicine; Tochigi; Japan
15. Division of Haematology; Ehime Prefectural Central Hospital; Ehime; Japan
16. Department of Haematology and Rheumatology; Nihon University School of Medicine; Tokyo; Japan
17. Haematology Division; Department of Medicine; Hyogo Cancer Centre; Hyogo; Japan