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Article History

Received: 24 August 2023

Accepted: 18 April 2024

First Online: 2 May 2024

Declarations

:

: The study was approved by the Biomedical Ethics Review Committee of Peking University (IRB00001052–11015). All participants provided written informed consent. All methods in this study adhered to relevant guidelines and regulations. Given the illiteracy of some participants, the investigator obtain informed consent by presenting and explaining its contents to them. Participants then provide their consent through handprints.

: Not applicable.

: The authors declare no competing interests.