[1] Fudan Univ, Sch Nursing, Shanghai, Peoples R China
[2] Capital Med Univ, Beijing Childrens Hosp, Ctr Clin Epidemiol & Evidence Based Med, Natl Ctr Childrens Hlth, Beijing, Peoples R China
[3] Capital Med Univ, Beijing Key Lab Pediat Hematol Oncol, Natl Key Discipline Pediat, Beijing, Peoples R China
[4] Minist Educ, Key Lab Major Dis Children, Beijing, Peoples R China
[5] Capital Med Univ, Beijing Childrens Hosp, Hematol Ctr, Natl Ctr Childrens Hlth, Beijing, Peoples R China
[6] Fudan Univ, Childrens Hosp, Hematol & Oncol Dept, Shanghai, Peoples R China
[7] Fudan Univ, Sch Nursing, 305 Fenglin Rd, Shanghai 200032, Peoples R China