Received: 13 January 2022
Accepted: 9 May 2022
First Online: 14 May 2022
: This retrospective study was approved by the Ethics Committee of the Third Affiliated Hospital of Soochow University and all methods were performed in accordance with Declaration of Helsinki. All patients or their authorizers gave written informed consent before the operation.
: Not applicable.
: The authors declare that they have no competing interests.