[1] Peking Univ, Inst Hepatol, Beijing, Peoples R China
[2] Peking Univ, Inst Hepatol, Peoples Hosp, Beijing, Peoples R China
[3] Guilin Med Univ, Lab Hepatobiliary & Pancreat Surg, Affiliated Hosp, Guilin, Peoples R China
[4] Peking Univ, Peoples Hosp, Inst Hepatol, Beijing Key Lab Hepatitis C & Immunotherapy Liver, Beijing, Peoples R China