Zhang, Li
Liu, Hui-Juan
Li, Ping
Liu, Yi
Zhang, Ting
Zhu, Jin-Yi
Zhu, Hong-Mei
Zhou, Ya-Ping
Wang, Hai-Jun
Li, Yan
Funding for this research was provided by:
Medical and Health Science and Technology Development Project of Shandong Province (202212030949)
Natural Science Foundation of Shandong Province (ZR2021MH296)
Article History
Received: 20 February 2024
Accepted: 23 June 2024
First Online: 2 July 2024
Declarations
:
: This study protocol was approved by the Medical Ethics Committee of The First Affiliated Hospital of Shandong First Medical University (YXLL-KY-2022 (017)) and the Medical Ethics Committee of Shandong Provincial Maternal and Child Health Care Hospital Affiliated to Qingdao University (No. 2023-025). Written informed consent was obtained from all participants of their parents.
: Not applicable.
: The authors declare no competing interests.