Received: 5 February 2022
Accepted: 10 May 2022
First Online: 14 May 2022
: This study was conducted in accordance with the guidelines of Declaration of Helsinki. The protocol for this study was approved by the Anqing Municipal Hospital Institutional Review Board(2021 No.8) , and informed consent was waived due to its retrospective nature.
: Not applicable.
: The authors have no conflicts of interest to declare.