1 Department of Hepatobiliary Surgery, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China.
2 National Local Joint Engineering Research Center for Precision Surgery and Regenerative Medicine, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China.
3 Qide College, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi 710061, China.