国家自然科学基金81702008;河北省自然科学基金H2018406024;河北省教育厅项目QN2019079;承德医学院科研项目KY2020002;National Natural Science Foundation of China81702008;Natural Science Foundation of Hebei ProvinceH2018406024;Hebei Education Department ProjectQN2019079;Chengde Medical University ProjectKY2020002