1. Department of Haematology and Oncology; Graduate School of Medicine; Kyoto University; Kyoto Japan
2. Laboratory of Host Defences; National Institute of Allergy and Infectious Diseases; National Institutes of Health; Bethesda MD USA
3. Department of Haematology; Sapporo Hokuyu Hospital; Sapporo Japan
4. Department of Haematology; Tokyo Women's Medical University; Tokyo Japan
5. Haematology Division; Tokyo Metropolitan Cancer and Infectious Diseases Centre; Komagome Hospital; Tokyo Japan
6. Department of Haematopoietic Stem Cell Transplantation; National Cancer Centre Hospital; Tokyo Japan
7. Department of Haematology; National Hospital Organization Kumamoto Medical Centre; Kumamoto Japan
8. Division of Haematology; Department of Medicine; Keio University School of Medicine; Tokyo Japan
9. Leukaemia Research Centre; Saiseikai Maebashi Hospital; Maebashi Japan
10. Department of Haematology/Oncology; Tokai University School of Medicine; Isehara Japan
11. Department of Haematology; Japanese Red Cross Nagoya First Hospital; Nagoya Japan
12. Department of Haematology; Hamanomachi Hospital; Fukuoka Japan
13. Department of Haematology/Oncology and Transfusion and Haemapheresis Centre; Kurashiki Central Hospital; Kurashiki Japan
14. Department of Haematology; Hyogo Cancer Centre; Akashi Japan
15. Japanese Data Centre for Haematopoietic Cell Transplantation; Nagoya Japan
16. Department of Healthcare Administration; Nagoya University Graduate School of Medicine; Nagoya Japan
17. Department of Haematology; National Hospital Organization Toyohashi Medical Centre; Toyohashi Japan