Zhang, Jing
Han, Luhao
Li, Wei
Chen, Qiaobin
Lei, Jie
Long, Min
Yang, Weibin
Li, Wenya
Zeng, Lizhen
Zeng, Sifan
Funding for this research was provided by:
Shenzhen Science and Technology Innovation Committee (JCY20160425152812445)
Article History
Received: 13 February 2019
Accepted: 12 August 2019
First Online: 19 August 2019
Ethics approval and consent to participate
: This study had been approved by the Medical Ethics Committee of Shenzhen Nanshan Maternity and Child Healthcare Hospital, Shenzhen, the People’s Republic of China, and written informed consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.