基金重庆市研究生教育教学改革研究项目(yjg173081,yjg20163027)%重庆医科大学教育教学研究项目(JY160212,JY170233)%重庆医科大学第一临床学院教学改革研究项目(JYYX150011)%Education Research Project of Chongqing Medical University(jy160212,jy170233)%Education Research Project of Chongqing Graduate(yjg173081,yjg2016 3027)%Education Research Project of the First Clinical College of Chongqing Medical University(jyyx150011)%Chongqing Education Sience 'the Thirteenth Five-year' Planning Project(2017-GX-301)