R714.461
安徽省2017年公益性技术应用研究联动计划项目(1704f0804043),合肥市卫生和计划生育委员会2017年应用医学研究项目(hwk2017zd001).
Supported by 2017 Public Welfare Technology Application Research Linkage Plan Project of Anhui Province (1704f0804043) and 2017 Applied Medicine Research Project of Hefei Municipal Health and Family Planning Commission (hwk2017zd001).