Xu, Qiteng
Hou, Kefeng
Lv, Bei
Xing, Quansheng
Chen, Rui
Funding for this research was provided by:
Peking University People's Hospital (RDGS2022-07, RDGS2022-07)
Article History
Received: 7 April 2023
Accepted: 29 October 2023
First Online: 8 November 2023
Declarations
:
: All methods involved in this study were carried out in accordance with relevant guidelines and regulations in the declaration of Helsinki. This study was approved by the institutional review board of the ethics committee in Qingdao women and children’s hospital (QFELL-YJ-2022-72) on 1 October 2022. Informed consent was obtained from the legal guardians of all participants.
: Not applicable.
: The authors declare no competing interests.