1. Department of Gastroenterology, Peking University People’s Hospital, Beijing, People's Republic of China
2. Clinical Center of Immune-Mediated Digestive Diseases, Peking University People’s Hospital, Beijing, People's Republic of China
3. Central Laboratory & Institute of Clinical Molecular Biology Peking University People’s Hospital, Beijing, People's Republic of China
4. Hepatology Institute, Peking University People’s Hospital, Beijing, People's Republic of China