1. Department of Pediatrics and Developmental Biology, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
2. Graduate School of Public Health, St. Luke’s International University, Tokyo, Japan
3. Department of Hematology/Oncology, Saitama Children’s Medical Center, Saitama, Japan
4. Department of Hematology/Oncology, Tokyo Metropolitan Children’s Medical Center, Tokyo, Japan
5. Department of Pediatrics, St. Luke’s International Hospital, Tokyo, Japan
6. Department of Hematology/Oncology, Chiba Children’s Hospital, Chiba, Japan
7. Department of Pediatrics, Japanese Red Cross Narita Hospital, Chiba, Japan
8. Department of Pediatrics, Yokohama City University Hospital, Kanagawa, Japan
9. Division of Hematology/Oncology, Kanagawa Children’s Medical Center, Yokohama, Japan
10. Department of Pediatrics, University of Yamanashi, Yamanashi, Japan
11. Department of Pediatrics, Teikyo University Chiba Medical Center, Chiba, Japan
12. Department of Pediatrics, Toho University, Tokyo, Japan
13. Department of Pediatrics, St. Marianna University, Kanagawa, Japan
14. Division of Pediatrics, Showa University Fujigaoka Hospital, Yokohama, Japan
15. Department of Pediatrics, Tokai University, Kanagawa, Japan
16. Department of Pediatrics, The University of Tokyo, Tokyo, Japan
17. Department of Pediatrics, Kyoto University, Kyoto, Japan
18. Children’s Cancer Center, National Center for Child Health and Development, Tokyo, Japan
19. Division of Pediatric Hematology and Oncology, Ibaraki Children’s Hospital, Mito, Japan
20. Department of Pediatrics, Saitama Medical Center, Saitama Medical University, Saitama, Japan
21. Department of Pediatrics, Dokkyo Medical University, Tochigi, Japan
22. Department of Pediatrics and Adolescent Medicine, Juntendo University, School of Medicine, Tokyo, Japan
23. Department of Pediatrics, Shinshu University School of Medicine, Matsumoto, Japan
24. Department of Pediatrics, National Defense Medical College, Saitama, Japan
25. Department of Pediatrics, Teikyo University Hospital, Tokyo, Japan
26. Department of Hematology/Oncology, Nagano Children’s Hospital, Nagano, Japan
27. Department of Pediatrics, Hokkaido University, Hokkaido, Japan