1. Department of Surgery, the Second Hospital of Chongqing New North Zone, Chongqing, China.
2. Chongqing Key Laboratory of Hepatobiliary Surgery and Department of Hepatobiliary Surgery, Second Affiliated Hospital, Chongqing Medical University, Chongqing, China.
3. Department of Infectious Diseases, Institute for Viral Hepatitis, Key Laboratory of Molecular Biology for Infectious Diseases, Ministry of Education, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China.