Peng, Xiaodong
Zhang, Mengxia
Wang, Xuesi
Wu, Kui
Li, Yukun
Li, Linling
Yang, Jiaxue
Ruan, Yanfei
Bai, Rong
Ma, Changsheng
Liu, Nian
Article History
Received: 11 March 2021
Accepted: 30 August 2021
First Online: 7 September 2021
Declarations
:
: The CLHLS study was approved by the Research Ethics Committee of Peking University (IRB00001052–13074), and all participants provided written informed consent. All methods were performed in accordance with the relevant guidelines and regulations (e.g., the Declaration of Helsinki).
: Not applicable.
: The authors declare that they have no competing interests.