Zhang, Huidi
Wu, Meng
Yang, Lichen http://orcid.org/0000-0002-2691-0411
Wu, Jinghuan
Hu, Yichun
Han, Jianhua
Gu, Yunyou
Li, Xiuwei
Wang, Haiyan
Ma, Liangkun
Yang, Xiaoguang
Funding for this research was provided by:
UNICEF
Article History
Received: 27 August 2018
Accepted: 12 August 2019
First Online: 9 September 2019
Ethics approval and consent to participate
: All the women were recruited following the informed consent and ethical review.
: The authors consent to the publication of the data.
: The authors declare that they have no competing interests.