1. Department of Pediatrics Tohoku University Graduate School of Medicine SendaiJapan
2. Department of Pediatrics Graduate School of Medical Science Kyoto Prefectural University of Medicine KyotoJapan
3. Department of Pediatrics Gifu City Hospital GifuJapan
4. Department of Hematology/Oncology Hyogo Prefectural Children’s Hospital KobeJapan
5. Department of Hematology and Oncology Children’s Medical Center Japanese Red Cross Aichi Medical Center Nagoya First Hospital NagoyaJapan
6. Department of Pediatrics National Hospital Organization Nagoya Medical Center NagoyaJapan
7. Department of Pediatrics Graduate School of Medicine Kyoto University KyotoJapan
8. Department of Pediatric Hematology and Oncology Hyogo Prefectural Amagasaki General Medical Center HyogoJapan
9. Department of Pediatrics Okayama University Hospital OkayamaJapan
10. Clinical Research Center National Hospital Organization Nagoya Medical Center NagoyaJapan
11. Department of Hematology/Oncology Miyagi Children’s Hospital SendaiJapan
12. Department of Pediatrics Faculty of Medicine Oita University YufuJapan
13. Department of Pediatric Hematology/Oncology Osaka City General Hospital Osaka Japan