Zhang, Lei http://orcid.org/0000-0001-6598-9014
Liu, Hanmin
Ai, Tao http://orcid.org/0000-0003-3882-3590
Chen, Zijin
Tang, Wei http://orcid.org/0000-0001-8811-4798
Hu, Shuai
Hu, Jie
Funding for this research was provided by:
Sichuan Maternal and child Health Care Association maternal and child medical science and technology innovation project (21FX020)
Article History
Received: 1 September 2023
Accepted: 14 October 2023
First Online: 22 November 2023
Declarations
:
: This study was performed in line with the principles of the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards. Approval was granted by the ethics committees of Chengdu Women and Children’s Central Hospital (approval number: 2021/123).
: We confirm that written informed consent was obtained from the parents and/or legal guardians of all participants.
: Not applicable.
: The authors declare no competing interests.
: The authors have no conflicts of interest to declare.