1. Department of Paediatrics The University of TokyoTokyo Japan
2. Division of Transplantation and Cell Therapy Children's Cancer Centre Tokyo Japan
3. Department of Paediatric Haematology and Oncology Research National Centre for Child Health and Development Tokyo Japan
4. Department of Pathology and Tumor Biology Kyoto University Kyoto Japan
5. Department of Haematology/Oncology Saitama Children's Medical CentreSaitama Japan
6. Department of Pathology Saitama Children's Medical Centre Saitama Japan
7. Department of Molecular Diagnostics and Therapeutics Kyoto Prefectural University of Medicine Graduate School of Medical Science Kyoto Japan
8. Department of Paediatrics The Jikei University School of Medicine Tokyo Japan
9. Laboratory of DNA Information Analysis Human Genome Centre Institute of Medical Science The University of Tokyo Tokyo Japan
10. Laboratory of Sequence Data Analysis Human Genome Centre, Institute of Medical Science The University of Tokyo Tokyo Japan
11. Department of Paediatrics Tokyo Medical and Dental University Tokyo Japan
12. Department of Advanced Diagnosis Clinical Research Centre National Hospital Organization Nagoya Medical Centre Nagoya Japan