[1] Capital Med Univ, Beijing Childrens Hosp, Beijing Key Lab Pediat Hematol Oncol, 56 Nanlishi Rd, Beijing, Peoples R China
[2] Capital Med Univ, Beijing Childrens Hosp, Natl Key Discipline Pediat, Minist Educ, 56 Nanlishi Rd, Beijing, Peoples R China
[3] Capital Med Univ, Beijing Childrens Hosp, Hematol Oncol Ctr, 56 Nanlishi Rd, Beijing, Peoples R China
[4] Peking Univ, Dept Oral & Maxillofacial Surg, Sch & Hosp Stomatol, Beijing 100871, Peoples R China