[1] Japanese Red Cross Nagoya First Hosp, Childrens Med Ctr, Dept Hematol & Oncol, Nagoya, Aichi, Japan
[2] Tokai Univ, Sch Med, Dept Cell Transplantat & Regenerat Med, Isehara, Kanagawa 25911, Japan
[3] Fujita Hlth Univ, Sch Med, Dept Pediat, Toyoake, Aichi 47011, Japan
[4] Sapporo Hokuyu Hosp, Dept Pediat, Sapporo, Hokkaido, Japan
[5] Osaka Med Ctr, Dept Hematol Oncol, Izumi, Japan
[6] Res Inst Maternal & Child Hlth, Izumi, Japan
[7] Hiroshima Univ, Dept Pediat, Grad Sch Biomed Sci, Hiroshima, Japan
[8] Komagome Hosp, Tokyo Metropolitan Canc & Infect Dis Ctr, Div Hematol, Tokyo, Japan
[9] Japanese Red Cross Kinki Block Blood Ctr, Ibaraki, Japan
[10] Nagoya Univ, Dept HSCT Data Management & Biostat, Grad Sch Med, Nagoya, Aichi 4648601, Japan
[11] Shizuoka Childrens Hosp, Div Hematol & Oncol, Shizuoka, Japan
[12] Nagoya Univ, Grad Sch Med, Dept Pediat, Nagoya, Aichi 4648601, Japan