Song, Xiaowen
Article History
Received: 21 February 2021
Accepted: 24 October 2021
First Online: 4 November 2021
Declarations
:
: This study was approved by Institutional Review Board of Beijing Tiantan Hospital, Capital Medical University. Due to the retrospective nature of our study, the board waived the need for written consent.
: All the patients included signed the consent for publication.
: The authors declare that they have no competing interests.