[1] Tokyo Univ Hosp, Canc Genom Project, Tokyo 113, Japan
[2] Chungun Mem Hosp, Dept Hematol Oncol, Tao Yuan, Taiwan
[3] Jichi Med Univ, Div Hematol, Dept Med, Shimotsukeshi, Japan
[4] Tokyo Univ Hosp, Dept Cell Therapy & Transplantat Med, Tokyo 113, Japan
[5] Cedars Sinai Med Ctr, Los Angeles, CA 90048 USA
[6] Showa Univ, Fujigaoka Hosp, Yokohama, Kanagawa 227, Japan
[7] Grad Sch Med, Dept Hematol & Oncol, Tokyo, Japan
[8] Univ Tsukuba, Inst Clin Med, Tsukuba, Ibaraki 305, Japan