Li, Rui
Han, Lu
Xiong, Wenxue
Wang, Wenjuan
Fan, Chaonan
Li, Mingzhen
Liu, Xiaohua
Ling, Li
Funding for this research was provided by:
Medical Science and Technology Foundation of Guangdong Province,China (A2022314, A2022326)
Article History
Received: 21 August 2022
Accepted: 8 February 2023
First Online: 16 February 2023
Declarations
:
: None declared.
: Not applicable.
: This study was approval by the Institutional Review Board of the Chinese Association of Maternal and Child Health Studies (IRB-201001). Before enrolment all participants provided a written informed consent. For minor participants, the informed consent was provided by their parent or legal guardian. This research was conducted in accordance with the principles of the Declaration of Helsinki.