[1] Zhejiang Univ, Sch Med, Affiliated Hosp 1, Bone Marrow Transplantat Ctr, Hangzhou 310003, Zhejiang, Peoples R China
[2] Guangzhou Liuhuaqiao Hosp, Dept Haematol, Guangzhou, Guangdong, Peoples R China
[3] Jinhua Cent Hosp, Dept Paediat, Jinhua, Zhejiang, Peoples R China