[1] Sun Yat Sen Univ, Sun Yat Sen Mem Hosp, Dept Hepatobiliary Surg, Guangzhou, Guangdong, Peoples R China
[2] Hexian Hosp Panyu Dist, Dept Minimally Invas Intervent Radiol, Guangzhou, Peoples R China
[3] First Peoples Hosp Foshan, Dept Hepatobiliary Surg, Foshan, Guangdong, Peoples R China
[4] Guangzhou Med Univ, Affiliated Hosp 2, Dept Hepatobiliary Surg, Guangzhou, Peoples R China
[5] Sun Yat Sen Univ, Affiliated Hosp 1, Ctr Hepatopancreatobiliary Surg, Guangzhou, Peoples R China