[1] Capital Med Univ, Beijing Childrens Hosp, Beijing Key Lab Pediat Resp Infect Dis,Dept Infec, Key Lab Major Dis Children,Minist Educ,Natl Clin, Beijing 100045, Peoples R China
[2] Capital Med Univ, Beijing Childrens Hosp, Beijing Key Lab Pediat Resp Infect Dis,Dept Infec, Natl Key Discipline Pediat,Minist Educ,Natl Clin, Beijing 100045, Peoples R China
[3] Capital Med Univ, Beijing Key Lab Pediat Resp Infect Dis,Beijing Pe, Natl Clin Res Ctr Resp Dis,Beijing Childrens Hosp, Key Lab Major Dis Children,Minist Educ,Lab Microb, Beijing, Peoples R China
[4] Capital Med Univ, Beijing Key Lab Pediat Resp Infect Dis,Beijing Pe, Natl Clin Res Ctr Resp Dis,Beijing Childrens Hosp, Natl Key Discipline Pediat,Minist Educ,Lab Microb, Beijing, Peoples R China
[5] Capital Med Univ, Beijing Childrens Hosp, Dept Radiol, Beijing, Peoples R China