Wuhan University - Department of Gastroenterology, Wuhan University - Department of Respiratory Medicine, Wuhan University - Key Laboratory of Hubei Province for Digestive System Disease, Wuhan University - Department of Gastroenterology, Wuhan University - Department of Gastroenterology, Wuhan University - Department of Gastroenterology, Wuhan University - Department of Gastroenterology, Wuhan University - Key Laboratory of Hubei Province for Digestive System Disease, Wuhan University - Department of Nephrology, Wuhan University - Department of Gastroenterology, Wuhan University - Department of Gastroenterology, Wuhan University - Department of Gastroenterology, Wuhan University - Department of Gastroenterology, Wuhan University - Department of Gastroenterology, Wuhan University - Department of Gastroenterology, Wuhan University - Department of Gastroenterology, Wuhan University - Department of Gastroenterology, Wuhan University - Department of Gastroenterology, Wuhan University - Department of Gastroenterology, Wuhan University - Department of Gastroenterology, Wuhan University - Department of Gastroenterology, Wuhan University - Department of Gastroenterology, Wuhan University - Department of Gastroenterology, Wuhan University - Department of Respiratory Medicine, Wuhan University - Department of Gastroenterology, Wuhan University - Department of Ophthalmology and Wuhan University - Department of Gastroenterology