Funding for this research was provided by:
National Natural Science Foundation of China (81930028, 81971024)
Received: 4 May 2021
Accepted: 30 June 2021
First Online: 19 July 2021
: The study protocols were approved by the institutional review boards of Daping Hospital, Third Military Medical University. Verbal informed consent was obtained from all participants prior to the survey.
: All authors qualified the authorship and approved the publication of this study.