1. Gastroenterology Department, The Fifth Hospital of Xiamen, Xiamen, China
2. General Surgery Department, Gaotang County People’s Hospital, Liaocheng, China
3. Pharmacy Department, Chongqing Traditional Chinese Medicine Hospital , Chongqing, China
4. Gastroenterology Department, The Second Affiliated Hospital of Chongqing Medical University , Chongqing, China