1. Tokyo Children's Cancer Study Group; Quality of Life Committee; Tokyo
2. Department of Pediatrics; Jikei University School of Medicine; Tokyo
3. Department of Pediatrics; Nippon Medical School; Tokyo
4. Department of Pediatrics and Developmental Biology; Tokyo Medical and Dental University; Tokyo
5. Department of Pediatrics; Nagano Prefectural Suzaka Hospital; Nagano
6. Department of Pediatrics; S. Luke's International Hospital; Tokyo
7. Department of Oncology; National Center for Child Health and Development; Tokyo
8. Department of Pediatrics; Yokohama City University School of Medicine; Kanagawa
9. Department of Pediatrics and Adolescent Medicine; Juntendo University School of Medicine; Tokyo
10. Department of Pediatrics; Dokkyo Medical University; Tochigi
11. Department of Pediatrics; Yachimata Hospital; Chiba
12. Department of General Pediatrics and Hematology; National Center for Child Health and Development; Tokyo
13. Tokyo Children's Cancer Study Group; Tokyo
14. Department of Pediatrics; Teikyo University; Tokyo
15. Department of Pediatric Hematology/Oncology; Ibaraki Children's Hospital; Ibaraki Japan
16. Department of Pediatrics; Toho University Omori Medical Center; Tokyo