1. Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, Tianjin, China Department of Nutriology, Tianjin Third Central Hospital, Tianjin, China
2. Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, Tianjin, China
3. Tianjin Institute of Digestive Disease, Tianjin Medical University General Hospital, Tianjin, China
4. Department of Gastroenterology, Tianjin Medical University General Hospital Airport Hospital, Tianjin, China
5. Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, Anshan Road 154, Heping District, Tianjin, 300052, China