1. National Local Joint Engineering Research Center for Precision Surgery and Regenerative Medicine and Regenerative Medicine and Surgical Engineering Research Center of Shaanxi Province, First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China;
2. Department of Hepatobiliary Surgery, First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China;
3. State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi’an, China;
4. Department of Pathogenic Microbiology and Immunology, School of Basic Medical Sciences, Xi’an Jiaotong University, Xi’an, China;
5. Department of Gastroenterology, First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China