Funding for this research was provided by:
Finance Department Health Special Project of Jilin Province, China. (JLSCZD2019-022)
Received: 27 May 2020
Accepted: 28 October 2020
First Online: 4 November 2020
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of the First Hospital of Jilin University (2020 − 398). And written informed consent was obtained from each participant.
: Not applicable.
: All authors declare that they have no conflicts of interest.