1. Department of Pediatric Hematology and Oncology Research, Research Institute, National Center for Child Health and Development, Tokyo, Japan;
2. Department of Pediatrics, Graduate School of Medicine, Yokohama City University, Yokohama, Japan;
3. Department of Maternal-Fetal Biology, Research Institute, National Center for Child Health and Development, Tokyo, Japan;
4. Department of Pharmacy and Pharmaceutical Sciences, St. Jude Children’s Research Hospital, Memphis, USA;
5. Department of Pediatrics, Graduate School of Medicine, the University of Tokyo, Tokyo, Japan;
6. Medical Genome Center, Research Institute, National Center for Child Health and Development, Tokyo, Japan;
7. Department of Systems BioMedicine, Research Institute, National Center for Child Health and Development, Tokyo, Japan;
8. Children’s Cancer Center, National Center for Child Health and Development, Tokyo, Japan;
9. Department of Pediatrics, Toho University, Tokyo, Japan;
10. Department of Hematology/Oncology, Tokyo Metropolitan Children’s Medical Center, Tokyo, Japan;
11. Department of Pediatrics and Developmental Biology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan;
12. Department of Hematology/Oncology, Saitama Children’s Medical Center, Saitama, Japan;
13. Department of Pediatrics, St. Marianna University School of Medicine, Kawasaki, Japan;
14. Department of Pediatrics, Chiba University Hospital, Chiba, Japan;
15. Department of Pediatrics, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Kyoto, Japan;
16. Department of Pediatrics, St. Luke’s International Hospital, Tokyo, Japan;
17. Department of Pediatrics, Shinshu University School of Medicine, Matsumoto, Japan;
18. Department of Pediatrics, Dokkyo Medical University School of Medicine, Shimotsuga, Japan;
19. Department of Hematology/Oncology, Chiba Children’s Hospital, Chiba, Japan;
20. Department of Pediatrics, Osaka Medical and Pharmaceutical University, Takatsuki, Japan;
21. Department of Pathology, National Center for Child Health and Development, Tokyo, Japan;
22. Clinical Research Center, National Hospital Organization Nagoya Medical Center, Nagoya, Japan;
23. Department of Pathology and Tumor Biology, Graduate School of Medicine, Kyoto University, Kyoto, Japan;
24. Department of Pediatrics, Hokkaido University Graduate School of Medicine, Sapporo, Japan;
25. Department of Clinical Application, Center for iPS Cell Research and Application, Kyoto University, Kyoto, Japan; and
26. Department of Oncology, St. Jude Children’s Research Hospital, Memphis, USA