[1] Ningbo Univ, Sch Med, Affiliated Hosp, Ningbo, Peoples R China
[2] Zhejiang Univ, Sch Med, Natl Clin Res Ctr Child Hlth, Childrens Hosp, Hangzhou, Peoples R China
[3] Nanjing Med Univ, Childrens Hosp, Nanjing, Peoples R China
[4] Zhengzhou Univ, Affiliated Hosp 1, Zhengzhou, Peoples R China
[5] Tang Shan Gong Ren Hosp, Tangshan, Peoples R China
[6] Yantai YuHuangDing Hosp, Yantai, Peoples R China
[7] ALK AS, Guangzhou, Peoples R China