北京市医院管理中心消化内科学科协同发展中心专项经费资助XXX0102;北京市科学技术委员会“首都临床特色应用研究”项目Z181100001718223;Digestive Medical Coordinated Development Center of Beijing Municipal Administration of HospitalXXX0102;The Application of Clinical Features of Capital City of Beijing Municipal Science & Technology CommissionZ181100001718223