Xu, Huiling
Qiu, Shumin
Chen, Xiaojing
Zhu, Suqin
Sun, Yan
Zheng, Beihong
Funding for this research was provided by:
National Key R&D Program of China (2018YFC10002105)
Hospital Project of Fujian Maternity and Child Health Hospital (YCXQ18-25)
Article History
Received: 25 December 2019
Accepted: 31 August 2020
First Online: 7 September 2020
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of Fujian Maternity and Child Health Hospital (approval no.:2019 − 2008).
: Not applicable.
: The authors declare that they have no competing interests.