1. Department of Hepatobiliary Surgery, First People's Hospital of Xiaoshan District, Hangzhou, Zhejiang 311200, P.R. China
2. Clinical Research Institute, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou, Zhejiang 310014, P.R. China
3. College of Life Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
4. Department of Pathology, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou, Zhejiang 310014, P.R. China
5. Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Hangzhou, Zhejiang 310014, P.R. China