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Article History

Received: 27 July 2023

Accepted: 21 November 2024

First Online: 24 January 2025

Declarations

:

: This study was approved by the ethics committee of the Xuanwu Hospital Capital Medical University: 2020–064. The first part of the questionnaire is the informed consent part, in which the research object can clarify the purpose, content and risk of the research and keep the research data confidential. Following the ethical procedure, voluntary participation was emphasized in the information and any decline of participation would not lead to negative consequences. The electronic questionnaire skipped to the content section of the questionnaire only after the researcher had consented. In order to protect the confidentiality of the participants, every single returned questionnaire and each unit was coded with a number. The code lists were stored in one password-locked accounts in which only accessible by the first author.

: The authors consent to publish.

: The authors declare no competing interests.