[1] Hamanomachi Hosp, Dept Hematol, Fukuoka, Japan
[2] Kyushu Natl Canc Ctr, Div Hematol, Fukuoka, Japan
[3] Natl Canc Ctr, Dept Pathol & Clin Labs, Tokyo, Japan
[4] Imamura Bun In Hosp, Dept Hematol, Kagoshima, Japan
[5] Natl Hosp Organiza Kumamoto Med Ctr, Dept Hematol, Clin Res Inst, Kumamoto, Japan
[6] Natl Hosp Organiza Kumamoto Med Ctr, Special Dis Lab, Clin Res Inst, Kumamoto, Japan
[7] Nagasaki Univ, Dept Hematol, Atom Bomb Dis & Hibakusha Med Unit, Atom Bomb Dis Inst,Grad Sch Biomed Sci, Nagasaki 852, Japan
[8] Kyushu Univ, Grad Sch Med Sci, Fukuoka 812, Japan
[9] Kyushu Univ Hosp, Ctr Cellular & Mol Biol, Fukuoka 812, Japan
[10] Kyushu Natl Canc Ctr, Inst Clin Res, Fukuoka, Japan