重庆市教育科学规划课题2019-GX-371;重庆市高等教育教学改革研究项目193072;重庆医科大学校级教育教学研究项目JY180303;Chongqing Educational Science Planning Project2019-GX-371;Chongqing Higher Education Teaching Reform Research Project193072;Chongqing Medical University School-level Education and Teaching Research ProjectJY180303