1. Third Central Clinical College of Tianjin Medical University; Tianjin China
2. Department of Hepatobiliary Surgery; Third Central Hospital of Tianjin; Tianjin China
3. Key Laboratory of Artificial Cell; Institute for Hepatobiliary Disease; Tianjin China
4. Department of Research and Development; Zibo High Technology; Tianjin China
5. Department of Pathology; Third Central Hospital of Tianjin; Tianjin China
6. Department of Gastroenterology and Hepatology; Third Central Hospital of Tianjin; Tianjin China
7. Department of Ultrasound; Third Central Hospital of Tianjin; Tianjin China