[1] Wakayama Med Univ, Hematol Oncol, Kimiidera 811-1, Wakayama 6418510, Japan
[2] Inst Biomed Res & Innovat, Dept Cell Therapy, Chuo Ku, 2-2 Minatojima Minamimachi, Kobe, Hyogo 6500047, Japan
[3] Tokyo Med & Dent Univ, Inst Res, Ctr Stem Cell & Regenerat Med, Div Adv Biomed Engn Res, Tokyo, Japan
[4] Osaka Red Cross Hosp, Dept Hematol, Tennoji Ku, 5-30 Fudegasakicho, Osaka 5438555, Japan
[5] Kumamoto Minami Hosp, Natl Hosp Org, Dept Gen Med, Kumamoto, Japan