1. Department of PediatricsGraduate School of Medical SciencesKyushu University Fukuoka Japan
2. AML CommitteeJapan Children's Cancer Group Nagoya Japan
3. Department of PediatricsSt. Luke's International Hospital Tokyo Japan
4. Division of Leukemia and LymphomaChildren's Cancer CenterNational Center for Child Health and Development Tokyo Japan
5. Department of PediatricsOsaka University School of Medicine Osaka Japan
6. Department of Hematology and OncologyChildren's Medical CenterJapanese Red Cross Nagoya First Hospital Nagoya Japan
7. Department of PediatricsMie University School of Medicine Mie Japan
8. Department of PediatricsHirosaki University Graduate School of Medicine Hirosaki Japan
9. Department of Human Health SciencesKyoto University Kyoto Japan
10. Department of PediatricsShiga University of Medical Science Otsu Japan