1. Department of Hepatobiliary Disease, Dongfang Hospital, Xiamen University, Fuzhou, China
2. The 900th Hospital of the People’s Liberation Army Joint Service Support Force, Fuzhou, China
3. Department of Pathology, Quanzhou Women's and Children's Hospital, Quanzhou, China
4. Institute of Chinese Medical Sciences, University of Macau, Macau SAR, China
5. Department of Ultrasound, Quanzhou Women’s and Children’s Hospital, Quanzhou, China