国家自然科学基金青年基金81300238;四川省科技厅青年基金2016JQ0059;四川省科技厅重点研发项目2017FZ0040;四川省卫生和计划生育委员会科研基金16PJ449;中央高校科研基金ZYGX2016J171National Natural Science Youth Fund of China81300238;Youth Fund of Sichuan Provincial Department of Science & Technology2016JQ0059;Key Research & Development Fund of Sichuan Provincial Department of Science & Technology2017FZ0040;Scientific & Research Fund of Sichuan Provincial Commission of Health & Family Planning16PJ449;Scientific & Research Fund of Universities under the Central GovernmentZYGX2016J171