Wu, XiaoDong
Wu, ShuoDong
Tang, ShaoShan
Article History
Received: 12 July 2021
Accepted: 16 June 2022
First Online: 27 June 2022
Declarations
:
: This retrospective study was approved by the local ethics committee of the Affiliated Shengjing Hospital of China Medical University and written informed consent from each patient was waived.All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1964 and later versions.
: Not applicable.
: The authors declare no conflict of interest for this article.