Ethics
This study was approved by the Institutional Review Board of
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The researchers used unified instructions to guide participants in
filling out the questionnaire. The questionnaire is completed
independently by the participants. The questionnaire will be collected
on the spot and checked to ensure the authenticity and integrity of the
questionnaire. Participants were informed that they could withdraw from
the study at any time during the research, and their right to obtain
disease-related information and knowledge was not compromised. Each
participant provided written informed consent before participation in
the study, as outlined in the Declaration of Helsinki.