[1] Guizhou Med Univ, Baiyun Hosp, Dept Hematol, Guiyang, Peoples R China
[2] Cangzhou People Hosp, Dept Hematol, Cangzhou, Peoples R China
[3] Chinese Acad Med Sci & Peking Union Med Coll, Natl Clin Res Ctr Blood Dis, Inst Hematol, State Key Lab Expt Hematol, Tianjin, Peoples R China
[4] Chinese Acad Med Sci & Peking Union Med Coll, Blood Dis Hosp, Tianjin, Peoples R China