[1] Gunma Univ Hosp, Ctr Oncol, Gunma, Japan
[2] Kanto Study Grp Cell Therapy, Tokyo, Japan
[3] Gunma Univ, Grad Sch Hlth Sci, Dept Lab Sci, Gunma, Japan
[4] Keio Univ, Sch Med, Dept Med, Div Hematol, Tokyo 160, Japan
[5] Jichi Med Univ, Saitama Med Ctr, Div Hematol, Saitama, Japan
[6] Kanagawa Canc Ctr, Dept Hematol, Yokohama, Kanagawa 2410815, Japan
[7] Univ Tokyo, Inst Med Sciece, Adv Clin Res Ctr, Div Mol Therapy, Tokyo, Japan
[8] Tokyo Metropolitan Komagome Hosp, Div Hematol, Tokyo, Japan
[9] NTT Med Ctr Tokyo, Dept Hematol, Tokyo, Japan
[10] Chiba Univ, Grad Sch Med, Dept Clin Cell Biol & Med, Chiba, Japan
[11] Tokai Univ, Sch Med, Dept Hematol & Oncol, Isehara, Kanagawa 25911, Japan
[12] Saiseikai Maebashi Hosp, Leukemia Res Ctr, Gunma, Japan
[13] Tokyo Med Univ Hosp, Div Hematol, Tokyo, Japan
[14] Jilkei Univ, Tokyo, Japan
[15] Yokohama City Univ, Med Ctr, Dept Hematol, Yokohama, Kanagawa 232, Japan
[16] Saitama Med Univ, Saitama Med Ctr, Dept Hematol, Kawagoe, Saitama, Japan
[17] Japanese Red Cross Narita Hosp, Dept Hematol & Oncol, Narita, Japan
[18] Shizuoka Red Cross Hosp, Hematol, Shizuoka, Japan
[19] Yokohama City Univ, Grad Sch Med, Dept Internal Med & Clin Immunol, Yokohama, Kanagawa 232, Japan
[20] Univ Tokyo, Hematol & Oncol, Tokyo, Japan