1. Department of Paediatrics; The University of Tokyo; Tokyo Japan
2. Department of Cell Therapy and Transplantation Medicine; The University of Tokyo; Tokyo Japan
3. Department of Haematology Oncology; Hyogo Children's Hospital; Kobe Japan
4. Department of Haematology/Oncology; Saitama Children's Medical Centre; Saitama Japan
5. Department of Haematology/Oncology; Ibaraki Children's Hospital; Mito Japan
6. Department of Paediatrics; National Kyushu Cancer Centre; Fukuoka Japan
7. Department of Cell Transplantation and Regenerative Medicine; Tokai University; Isehara Japan
8. Division of Haemato-oncology/Regeneration Medicine; Kanagawa Children's Medical Centre; Yokohama Japan
9. Department of Human Health Sciences; Kyoto University; Kyoto Japan
10. Department of Paediatrics; Kobe University; Kobe Japan
11. Department of Paediatrics; Nara Medical University; Kashihara Japan
12. Department of Haematology/Oncology; Osaka Medical Centre and Research Institute for Maternal and Child Health; Izumi Japan
13. Japanese Data Centre for Haematopoietic Cell Transplantation; Nagoya Japan
14. Department of Healthcare Administration; Nagoya University Graduate School of Medicine; Nagoya Japan
15. Department of Haematology and Oncology; Children's Medical Centre; Japanese Red Cross Nagoya First Hospital; Nagoya Japan