[1] Xuzhou Med Univ, Dept Hematol, Affiliated Hosp, 99 West Huaihai Rd, Xuzhou 221002, Jiangsu, Peoples R China
[2] NHLBI, NIH, Bldg 10, Bethesda, MD 20892 USA
[3] Xuzhou Med Univ, Blood Dis Inst, 84 West Huaihai Rd, Xuzhou 221002, Jiangsu, Peoples R China
[4] Key Lab Bone Marrow Stem Cell, Xuzhou, Jiangsu, Peoples R China