Li, Qiaosheng
Fan, Xiaoqi
Jian, Weiyan
Article History
Received: 14 March 2023
Accepted: 11 June 2023
First Online: 24 June 2023
Declarations
:
: Ethical approval for this study was obtained from Peking University (IRB00001052-14027). All methods were carried out in accordance with relevant guidelines and regulations (declaration of Helsinki). Informed consent was obtained from all subjects and their legal guardian(s).
: Not applicable.
: The authors declare that they have no competing interests.