Article History
Received: 24 December 2020
Accepted: 29 March 2022
First Online: 12 May 2022
Declarations
:
: This study adhered to the tenets of the Declaration of Helsinki. This study was approved by the Beijing Tongren Hospital Review Board. And as a retrospective study, the informed consent waiver was approved by the Beijing Tongren Hospital Review Board.
: Not applicable.
: The authors declare that they have no competing interests.