1. Department of General Surgery, Nanchang University Infectious Disease Hospital, Nanchang, Jiangxi 330002, P.R. China
2. Central Laboratory, Nanchang University Infectious Disease Hospital, Nanchang, Jiangxi 330002, P.R. China
3. Department of Hepatobiliary Surgery, Organ Transplantation Center, Jiangxi Provincial People's Hospital, Donghu, Nanchang, Jiangxi 330001, P.R. China