CHEN Wei1, CHEN Gui-hua2, LU Min-qiang2, YANG Yang2, CAI Chang-jie2, HOU Bao-hua1, LIN Ye1, ZHANG Wei-dong3, XIAO Lu-lu3 1Department of Hepatobiliary Surgery, People’s Hospital of Guangdong Province, Guangzhou 510080, China; 2Liver Transplantation Center, Institute of Organ Transplantation, Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China; 3Guangzhou Tissue Typing Center, Guangzhou 510095, China