[1] Jichi Med Univ, Saitama Med Ctr, Div Hematol, Saitama, Japan
[2] Kobe Univ Hosp, Kobe, Hyogo, Japan
[3] Tokyo Womens Med Univ, Dept Hematol, Tokyo, Japan
[4] Kanagawa Canc Ctr, Dept Hematol, Yokohama, Kanagawa, Japan
[5] Komagome Hosp, Tokyo Metropolitan Canc & Infect Dis Ctr, Div Hematol, Tokyo, Japan
[6] Natl Canc Ctr, Hematopoiet Stem Cell Transplantat Div, Tokyo, Japan
[7] Toranomon Gen Hosp, Dept Hematol, Tokyo, Japan
[8] Osaka City Univ Hosp, Osaka, Japan
[9] Kyoto Univ, Grad Sch Med, Dept Hematol & Oncol, Kyoto, Japan
[10] Hiroshima Univ, Res Inst Radiat Biol & Med, Dept Hematol & Oncol, Hiroshima, Japan
[11] Japanese Data Ctr Hematopoiet Cell Transplantat, Nagoya, Aichi, Japan
[12] Natl Canc Ctr, Dept Hematopoiet Stem Cell Transplantat, Tokyo, Japan
[13] East Hosp, Natl Canc Res Ctr, Chiba, Japan
[14] Natl Def Med Coll, Dept Internal Med, Div Hematol, Tokorozawa, Saitama, Japan
[15] Oita Univ, Dept Hematol, Oita, Japan