[1] Natl Def Med Coll, Div Hematol, Tokorozawa, Saitama, Japan
[2] Kyoto Univ, Grad Sch Med, Dept Hematol & Oncol, Kyoto, Japan
[3] Kanazawa Univ Hosp, Dept Hematol & Oncol, Kanazawa, Ishikawa, Japan
[4] Japanese Red Cross Kanto Koshinetsu Block Blood C, Tokyo, Japan
[5] Komagome Hosp, Tokyo Metropolitan Canc & Infect Dis Ctr, Hematol Div, Tokyo, Japan
[6] Natl Canc Ctr, Div Hematopoiet Stem Cell Transplantat, Tokyo, Japan
[7] Japanese Red Cross Nagoya First Hosp, Dept Hematol, Nagoya, Aichi, Japan
[8] Hiroshima Red Cross Hosp, Dept Hematol, Hiroshima, Japan
[9] Atom Bomb Survivors Hosp, Hiroshima, Japan
[10] Hamanomachi Hosp, Dept Hematol, Fukuoka, Fukuoka, Japan
[11] Keio Univ, Dept Med, Div Hematol, Sch Med, Tokyo, Japan
[12] Federat Natl Publ Serv Personnel Mutual Aid Assoc, Dept Hematol, Tokyo, Japan
[13] Hokkaido Univ, Dept Gastroenterol & Hematol, Grad Sch Med, Sapporo, Hokkaido, Japan
[14] Saiseikai Maebashi Hosp, Div Hematol, Maebashi, Gunma, Japan
[15] Hiroshima Univ, Res Inst Radiat Biol & Med, Dept Hematol & Oncol, Hiroshima, Japan
[16] Japanese Data Ctr Hematopoiet Cell Transplantat, Nagoya, Aichi, Japan
[17] Nagoya Univ, Dept Healthcare Adm, Grad Sch Med, Nagoya, Aichi, Japan
[18] Jichi Med Univ, Saitama Med Ctr, Div Hematol, Saitama, Japan