[1] Gunma Univ, Grad Sch Hlth Sci, Dept Lab Sci, Gunma, Japan
[2] Saiseikai Maebashi Hosp, Leukemia Res Ctr, Gunma, Japan
[3] Gunma Univ, Grad Sch Med, Dept Med & Clin Sci, Gunma, Japan
[4] Gunma Univ Hosp, Div Blood Transfus Serv, Gunma, Japan
[5] Gunma Univ Hosp, Oncol Ctr, Maebashi, Gunma, Japan
[6] Gunma Univ Hosp, Oncol Ctr, Gunma, Japan
[7] Gunma Univ, Grad Sch Hlth Sci, Dept Lab Sci, Maebashi, Gunma, Japan