[1] Saitama Childrens Med Ctr, Dept Hematol Oncol, Saitama, Japan
[2] Japanese Red Cross Nagoya First Hosp, Dept Hematol & Oncol, Childrens Med Ctr, Nagoya, Aichi, Japan
[3] Nagoya Univ, Sch Med, Dept HSCT Data Management, Nagoya, Aichi 466, Japan
[4] Tokai Univ, Sch Med, Dept Cell Transplantat, Isehara, Kanagawa 25911, Japan
[5] Osaka Med Ctr, Dept Hematol Oncol, Osaka, Japan
[6] Res Inst Maternal & Child Hlth, Osaka, Japan
[7] Kanagawa Childrens Med Ctr, Dept Hematol, Kanagawa, Japan
[8] Natl Hosp Org Kyushu Canc Ctr, Dept Pediat, Fukuoka, Japan
[9] Ehime Univ, Dept Pediat, Sch Med, Toon, Japan
[10] Komagome Hosp, Dept Hematol, Tokyo Metropolitan Canc, Tokyo, Japan
[11] Komagome Hosp, Ctr Infect Dis, Tokyo, Japan
[12] Natl Canc Ctr, Dept Hematopoiet Stem Cell Transplantat, Tokyo, Japan