1. Department of Pathology, Tianjin Teda Hospital, Tianjin, China
2. Department of Pathology, Tianjin Third Central Hospital, Tianjin, China
3. Tianjin Key Laboratory of Extracorporeal Life Support for Critical Diseases, Artificial Cell Engineering Technology Research Center, Tianjin, China
4. Tianjin Institute of Hepatobiliary Disease, Tianjin, China
5. Department of Pathology, Tianjin Central Hospital of Gynecology & Obstetrics, Tianjin, China