Article History
Received: 6 December 2021
Accepted: 8 May 2022
First Online: 13 May 2022
Declarations
:
: Our local Institutional Review Board (The ethics committee of Hefei Second People’s Hospital) reviewed and approved this research. In view of the retrospective nature of the study, and as all the procedures performed were part of the routine care, no informed consent was required.
: The authors declare no competing interests.