[1] Kyushu Natl Canc Ctr, Inst Clin Res, Minami Ku, Fukuoka 8111395, Japan
[2] Kyushu Natl Canc Ctr, Dept Hematol, Fukuoka 8111395, Japan
[3] Natl Canc Ctr, Stem Cell Transplantat Unit, Tokyo, Japan
[4] Imamura Bun In Hosp, Dept Hematol, Kagoshima, Japan
[5] Nagasaki Univ, Mol Med Unit, Dept Hematol, Atom Bomb Dis Inst,Sch Med, Nagasaki 852, Japan
[6] Kyushu Univ, Grad Sch Med Sci, Fukuoka 812, Japan
[7] Tokyo Med & Dent Univ, Div Med Res, Dept Immunotherapeut, Tokyo, Japan