1. Phase I Clinical Research CenterThe Affiliated Hospital of Kangda College of Nanjing Medical University/The First People's Hospital of Lianyungang Lianyungang Jiangsu China
2. Department of GastroenterologyLianyungang Clinical College of Nanjing Medical University /The First People’s Hospital of Lianyungang Lianyungang Jiangsu China
3. Department of GastroenterologyThe Affiliated Lianyungang Hospital of Xuzhou Medical University/The First People's Hospital of Lianyungang Lianyungang Jiangsu China