[1] Guangzhou Med Univ, Guangzhou Women & Childrens Med Ctr, Dept Radiol, Guangzhou 510623, Peoples R China
[2] Guangzhou Med Univ, Guangzhou Women & Childrens Med Ctr, Guangzhou Inst Pediat, Guangzhou 510623, Peoples R China
[3] Cent South Univ, Affiliated Haikou Hosp, Xiangya Med Coll, Dept Hepatobiliary Surg, Haikou 570100, Hainan, Peoples R China
[4] Guangzhou Nansha Dist Maternal & Child Hlth Care, Guangzhou 511458, Peoples R China
[5] Jinan Univ, Guangdong Prov Engn & Technol Res Ctr Drug Carrie, Key Lab Biomat Guangdong Higher Educ Inst, Dept Biomed Engn, Guangzhou 510632, Peoples R China