[1] Toranomon Gen Hosp, Dept Hematol, Tokyo, Japan
[2] Nagoya Univ, Dept Hematol & Oncol, Grad Sch Med, Nagoya, Aichi 4648601, Japan
[3] Shinshu Univ, Sch Med, Dept Pediat, Matsumoto, Nagano 390, Japan
[4] Natl Canc Ctr, Div Hematopoiet Stem Cell Transplantat, Tokyo, Japan
[5] Kyushu Univ Hosp, Dept Hematol & Oncol, Fukuoka 812, Japan
[6] Jichi Med Univ, Saitama Med Ctr, Div Hematol, Saitama, Japan
[7] Hiroshima Univ, Res Inst Radiat Biol & Med, Dept Hematol & Oncol, Hiroshima, Japan
[8] Komagome Hosp, Tokyo Metropolitan Canc & Infect Dis Ctr, Div Hematol, Tokyo, Japan
[9] Hamanomachi Hosp, Dept Hematol, Fukuoka, Japan
[10] Aichi Canc Ctr, Res Inst, Div Epidemiol & Prevent, Okazaki, Aichi, Japan
[11] Japanese Red Cross Nagoya First Hosp, Childrens Med Ctr, Dept Hematol & Oncol, Nagoya, Aichi, Japan
[12] Nagoya Univ, Grad Sch Med, Dept HSCT Data Management & Biostat, Nagoya, Aichi 4648601, Japan