Liao, Qiuping
Luo, Jinying
Zheng, Lianghui
Han, Qing
Liu, Zhaodong
Qi, Wei
Yang, Tingting
Yan, Jianying
Funding for this research was provided by:
National Health and Family Planning Commission Science Foundation (2019-WJ-04)
Fujian Science and Technology Project (2018Y0005)
Fujian Provincial Health Technology Project (2017-CX-11)
Key Clinical Specialty Discipline Construction of Fujian ([2015] 593)
Article History
Received: 13 June 2020
Accepted: 2 September 2020
First Online: 20 October 2020
Ethics approval and consent to participate
: This study has been approved by the Ethics Committee of Fujian Provincial Maternity and Children’s Hospital. (FMCH2018-127)
: The requirement for individual patient consent was waived as data were extracted from an anonymized database and our study did not influence patient care.
: The authors declare that they have no competing interests.