Ethics
This study was approved by the Institutional Review Board of ****************(the number: *********).
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.