[1] Ningxia Med Univ, Med Mol Biol Lab, Yinchuan 750004, Ningxia Hui Aut, Peoples R China
[2] Ningxia Med Univ, Dept Liver & Gallbladder Surg, Affiliated Hosp, Yinchuan 750004, Ningxia Hui Aut, Peoples R China
[3] Ningxia Med Univ, Dept Anat, Yinchuan 750004, Ningxia Hui Aut, Peoples R China
[4] Zhejiang Univ, Dept Surg Oncol, Affiliated Hosp 2, Hangzhou 310009, Zhejiang, Peoples R China