1. 1Department of Gastrointestinal Cancer Biology, Tianjin Cancer Institute, Liver Cancer Center, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, P.R. China.
2. 2Tianjin's Clinical Research Center for Cancer, Tianjin, P.R. China.
3. 3Department of Cancer Research, College of Life Sciences, Nankai University, Tianjin, P.R. China.
4. 4Department of Bone and Soft Tissue Tumors, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, P.R. China.
5. 5Department of Hepatology, Tianjin Second People's Hospital, Tianjin, P.R. China.
6. 6Department of Hepatobiliary Oncology, Liver Cancer Center, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin Medical University, Tianjin, P.R. China.