[1] Gunma Univ, Grad Sch Med, Dept Hematol, 3-39-22 Showa Machi, Maebashi, Gunma 3718511, Japan
[2] Gunma Univ, Grad Sch Hlth Sci, Dept Lab Sci, 3-39-22 Showa Machi, Maebashi, Gunma 3718511, Japan
[3] Gunma Univ, Inst Mol & Cellular Regulat, 3-39-22 Showa Machi, Maebashi, Gunma 3718511, Japan