Chen, Yiming
Li, Yuanyuan
Zhang, Bo
Xia, Wei
Feng, Xingliang
Article History
Received: 9 August 2024
Accepted: 3 April 2025
First Online: 17 April 2025
Declarations
:
: The study was conducted in accordance with the Declaration of Helsinki and approved by the NCHS Research Ethics Review Board (Protocol #2011 - 17 and Protocol #2018 - 01). All participants provided written informed consent prior to their inclusion in the study. Since the data used are publicly available and de-identified, further institutional ethics committee approval was waived.
: The authors declare no competing interests.