Zhao, Xin-yu
Meng, Li-hui
Zhang, Wen-fei
Yu, Wei-hong
Chen, You-xin http://orcid.org/0000-0002-7231-5058
Min, Han-yi
Article History
Received: 8 September 2021
Accepted: 21 October 2021
First Online: 7 November 2021
Declarations
:
: All authors have contributed significantly and are in agreement with the content of the manuscript. No author has any relevant financial relationship to disclose.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This retrospective study was approved by the Institutional Review Board/Ethics Committee of Peking Union Medical College Hospital.
: Informed consent to participate was obtained from all individual participants included in the study.
: Informed consent to participate was obtained from all individual participants included in the study.