[1] Xi An Jiao Tong Univ, Affiliated Hosp 1, Dept Hepatobiliary Surg, Xian, Peoples R China
[2] Northwestern Polytech Univ, Sch Mech Engn, Dept Ind Engn, Xian, Peoples R China
[3] Naval Med Univ, Eastern Hepatobiliary Surg Hosp, Dept Biliary Surg, Shanghai, Peoples R China
[4] Tianjin Med Univ, Canc Hosp, Dept Hepatobiliary Oncol, Tianjin, Peoples R China
[5] Zhejiang Univ, Sch Med, Affiliated Hosp 2, Dept Hepatobiliary & Pancreat Surg, Hangzhou, Peoples R China
[6] Hunan Prov Peoples Hosp, Dept Hepatobiliary Surg, Changsha, Peoples R China
[7] Sun Yat Sen Univ, Canc Ctr, Dept Hepatobiliary Oncol, Guangzhou, Peoples R China
[8] Shanghai Jiao Tong Univ, Sch Med, Xinhua Hosp Affiliated, Dept Gen Surg, Shanghai, Peoples R China