1. Center of Liver Diseases Beijing Ditan Hospital Capital Medical University Beijing China
2. Division of Gastroenterology and Hepatology Department of Medicine NYU Langone Health, New York University School of Medicine New York NY USA
3. Department of Hepatology Division 2 Beijing Ditan Hospital Capital Medical University Beijing China
4. Department of Hepatology Division 2 Peking University Ditan Teaching Hospital Beijing China
5. Department of Obstetrics and Gynecology Beijing Ditan Hospital Capital Medical University Beijing China
6. Department of Medical and Biological Statistics Beijing Ditan Hospital Capital Medical University Beijing China