1. Liver Research Center, Beijing Friendship Hospital, Capital Medical University, Beijing Key Laboratory of Translational Medicine on Liver Cirrhosis National Clinical Research Center of Digestive Diseases Beijing China
2. Department of Pathology, Beijing You‐an Hospital Capital Medical University Beijing China
3. Department of Pathology China‐Japan Friendship Hospital Beijing China
4. Clinical Epidemiology and EBM Unit, Beijing Friendship Hospital, Capital Medical University Beijing Clinical Research Institute Beijing China
5. Department of Pathology National University Hospital Singapore Singapore