1. Department of Pathology; Shanghai Medical College, Fudan University; Shanghai People's Republic of China
2. Department of General Surgery; Huashan Hospital, Fudan University; Shanghai People's Republic of China
3. School of Life Sciences, University of Science and Technology of China; Hefei People's Republic of China
4. Department of Pathology; Zhongshan Hospital, Fudan University; Shanghai People's Republic of China
5. Liver Cancer Institute, Zhongshan Hospital, Fudan University; People's Republic of China
6. Division of Surgical Oncology; Brigham and Women's Hospital, Harvard Medical School; Boston MA
7. Division of Surgical Pathology; Huashan Hospital, Fudan University; Shanghai People's Republic of China