1. Department of Paediatrics Nagoya University Graduate School of MedicineNagoyaJapan
2. Department of Haematology and Oncology, Children’s Medical Centre Japanese Red Cross Aichi Medical Centre Nagoya First Hospital NagoyaJapan
3. Department of Paediatrics St. Luke’s International Hospital TokyoJapan
4. Department of Paediatrics Hokkaido University Graduate School of Medicine SapporoJapan
5. Department of Laboratory Medicine St. Luke’s International Hospital TokyoJapan
6. Department of Haematology/Oncology Hyogo Prefectural Kobe Children’s Hospital KobeJapan
7. Department of Paediatrics Hiroshima University Graduate School of Biomedical & Health Sciences HiroshimaJapan
8. Department of Haematology/Oncology Saitama Children's Medical Centre SaitamaJapan
9. Department of Haematology and Oncology Shizuoka Children’s Hospital ShizuokaJapan
10. Department of Paediatrics Toho University School of Medicine TokyoJapan
11. Department of Pathology Japanese Red Cross Aichi Medical Centre Nagoya First Hospital Nagoya Japan