Liu, Huan
Article History
Received: 22 September 2021
Accepted: 17 February 2022
First Online: 3 March 2022
Declarations
:
: Ethical Approval was received from the Biomedical Ethics Committee of School of Medicine, Xi'an Jiaotong University (NO.2021–1553). All methods and procedures in this study were confirmed to the ethics guidelines of the Declaration of Helsinki and followed the ethical standards of the relevant national and institutional guidelines and regulations on research involving human subjects. Informed consent was obtained from all participants and/or their legal guardian (s) prior to questionnaire administration.
: Not Applicable.
: The author declare that there is no competing interests.