Chen, Lele http://orcid.org/0000-0002-4552-5092
Zhou, Renlai
Article History
Accepted: 27 January 2022
First Online: 6 February 2022
Declarations
:
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The CLHLS study was approved by the Biomedical Ethics Committee of Peking University. This article does not contain any studies with animals performed by any of the authors.
: Informed consent was obtained from all individual participants included in the study.
: All authors declare that have no conflict of interest.