Wu, He-liang
Yang, Zhi-ran
Su, Yan-dong
Ma, Ru
Du, Xue-mei
Gao, Ying
Article History
Received: 2 September 2022
Accepted: 13 October 2022
First Online: 24 October 2022
Declarations
:
: The study was approved by the Medical Ethics Committee of Beijing Shijitan Hospital (2015-[28]). All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The consent to participate was waived due to the retrospective nature of this study.
: Not applicable
: The authors declare that they have no competing interests.