Dai, Miao
Xia, Bin
Xu, Jiangqi
Zhao, Weiyun
Chen, Dongdong
Wang, Xiang
Article History
Received: 26 April 2023
Accepted: 6 September 2023
First Online: 12 September 2023
Declarations
:
: This study was performed according to the Helsinki Declaration. All participants or their proxies gave informed consent to participate in the study and consented to the use of their data. Informed consent to participate was taken from legal guardians of illiterate participants. The Biomedical Ethics Committee of Peking University approved this study (IRB00001052-13074).
: Not applicable.
: The authors declare no competing interests.