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Authors
Zhang, Min
Zhu, Weizheng
He, Xinran
Liu, Yuyang
Sun, Qian
Ding, Hong
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Article History
Received: 5 April 2021
Accepted: 30 November 2021
First Online: 25 February 2022
Declarations
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: This study was conducted in accordance with the Declaration of Helsinki and was approved by the Research Ethics Committee of Anhui Medical University. All participants were fully informed about the study purpose and methods. Before conducting the survey, explain the purpose and procedures of the research to all interviewees, and ensure that all interviewees have informed consent to this research. For the illiterate interviewees, the informed consent of the guardian was also obtained.
: Not applicable.
: The authors declare that they have no conflict of interest.
