国家自然科学基金81000758;中国性病艾滋病防治协会·艾伯维妇幼关爱及预防母婴传播基金PMTCT2017-005;湖北省自然基金2010CDB06103 National Natural Science Foundation of China81000758;The AbbVie Foundation for Maternity and Child Care and Prevention of Mother-to-child Transmission of HIV · Chinese Association of STD and AIDS Prevention and ControlPMTCT2017-005;Natural Science Foundation of Hubei Province of China2010CDB06103