[1] Zhejiang Shuren Univ, Shulan Hangzhou Hosp, Shulan Int Med Coll, Dept Hepatobiliary & Pancreat Surg, Hangzhou 310003, Zhejiang, Peoples R China
[2] Sixth Peoples Hosp Zhengzhou City, Dept Gen Surg, Zhengzhou 450015, Henan, Peoples R China
[3] Zhejiang Shuren Univ, Shulan Hangzhou Hosp, Shulan Int Med Coll, Dept Intens Care Unit, Hangzhou 310004, Zhejiang, Peoples R China