Funding for this research was provided by:
hospital training funding (PYJJ2019-08)
medical program of Chongqing health and science, technology commission (2021MSXM285)
Article History
Received: 4 June 2021
Accepted: 3 December 2021
First Online: 13 December 2021
Declarations
:
: The Institutional Review Board of the First Affiliated Hospital of Chongqing Medical University approved this study and conducted in accordance with the Declaration of Helsinki. All participants provided written informed consent before their data were stored in our hospital database and used for study purposes.
: Not applicable.
: The authors declare that they have no competing interests.