1. Department of Hematology and Oncology; Children's Medical Center; Japanese Red Cross Nagoya First Hospital; Nagoya Japan
2. Department of Pediatrics; Nagoya University Graduate School of Medicine; Nagoya Japan
3. Department of Hematology and Oncology; Kobe Children's Hospital; Kobe Japan
4. Department of Pediatrics; Fujita Health University School of Medicine; Aichi Japan
5. Department of Pediatrics; Kyoto City Hospital; Kyoto Japan
6. Department of Hematology/Oncology; Saitama Children's Medical Center; Saitama Japan
7. Department of Pediatrics; National Kyushu Cancer Center; Fukuoka Japan
8. Department of Pediatrics; Yokohama City University Hospital; Yokohama Japan
9. Department of Pediatrics; Osaka City University Graduate School of Medicine; Osaka Japan
10. Department of Hematopoietic Stem Cell Transplantation; National Cancer Center Hospital; Tokyo Japan
11. Division of Hematology/Oncology; Kanagawa Children's Medical Center; Yokohama Japan
12. Department of Pediatrics; Osaka University Graduate School of Medicine; Suita Japan
13. Department of Pediatrics; Shinshu University School of Medicine; Matsumoto Japan
14. Department of Hematology/Oncology; Osaka Women's and Children's Hospital; Izumi Japan
15. Japanese Data Center for Hematopoietic Cell Transplantation; Nagoya Japan
16. Department of Healthcare Administration; Nagoya University Graduate School of Medicine; Nagoya Japan