1. The Gastroenterology Unit, The People’s Hospital of Pingchang County, Shichuan, China
2. Department of Gastroenterology, Wuxi No.2, People’s Hospital, Jiangsu, China
3. Department of Gastroenterology, Taihe Hospital, Hubei University of Medicine, Hubei, China
4. Department of Nephrology, Taihe Hospital, Hubei University of Medicine, Hubei, China