[1] Capital Med Univ, Beijing Key Lab Pediat Hematol Oncol, Natl Key Discipline Pediat, Key Lab Major Dis Children,Minist Educ, Beijing, Peoples R China
[2] Capital Med Univ, Beijing Childrens Hosp, Natl Ctr Childrens Hlth, Haemophilia Comprehens Care Ctr,Hematol Ctr, 56 Nanlishi Rd, Beijing 100045, Peoples R China
[3] Capital Med Univ, Hematol Ctr,Beijing Pediat Res Inst,Beijing Key L, Natl Key Discipline Pediat,Beijing Childrens Hosp, Minist Educ,Natl Ctr Childrens Hlth,Haematol Dis, Beijing, Peoples R China
[4] Capital Med Univ, Natl Ctr Childrens Hlth, Haemophilia Comprehens Care Ctr, Pharmacol Dept,Beijing Childrens Hosp, Beijing, Peoples R China
[5] Univ Calgary, Southern Alberta Rare Blood & Bleeding Disorders, Pediat & Oncol,Cumming Sch Med, Foothills Hosp,Alberta Hlth Serv,Dept Med, Calgary, AB, Canada