Li, Guoju
Xing, Yuhan
Wang, Guolan
Zhang, Jun
Wu, Qin
Ni, Wei
Jiao, Na
Chen, Wenjing
Liu, Qing
Gao, Li
Zhang, Zhenhong
Wang, Yao
Xing, Quansheng
Funding for this research was provided by:
National Natural Science Foundation of China (Grant numbers 81770315, 81903335)
Postdoctoral Research Foundation of China (2019M662307)
Article History
Received: 25 February 2021
Accepted: 23 June 2021
First Online: 4 August 2021
Declarations
:
: This study was approved by the Ethics Commission of Qingdao Women and Children’s Hospital (002-2018-FEKY), and written informed consent was obtained from involved patients prior to enrollment.
: Not applicable
: The authors declare that they have no competing interests. All authors have submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Conflicts that the editors consider relevant to the content of the manuscript have been disclosed.