Liu, Yatian
Sun, Xiaofeng
Yuan, Yuqi
Zhang, Ye
Liu, Jieru
Duan, Yufan
Tang, Longmei
Article History
Received: 4 November 2020
Accepted: 5 May 2021
First Online: 14 May 2021
Declarations
:
: This study was approved by the Medical Ethics Committee of Hebei Medical University (reference number: 2020205). All methods were performed in accordance with “ Ethical Review Measures for Biomedical Research Involving Human Subjects “ [CitationRef removed] and “Regulations of the Ethics Committee of Hebei Medical University”. Before filling out the questionnaire, the interviewees confirmed that they fully understood the precautions. Participation in the research was voluntary, and all participants provided informed consent.
: Not applicable.
: The authors declare no competing interests.