Ma, Tai
Wu, Zhijun
Zhang, Xiaopeng
Xu, Hui
Feng, Ying
Zhang, Cheng
Xie, Minmin
Yang, Yahui
Zhang, Yi
Feng, Chong
Sun, Guoping http://orcid.org/0000-0002-4325-900X
Article History
Received: 3 May 2021
Accepted: 29 November 2021
First Online: 12 December 2021
Declarations
:
: All procedures performed in studies involving human participants were in accordance with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The protocol was approved by the Ethics Committee of the First Affiliated Hospital of Anhui Medical University and the Ethics Committee of Ma’anshan Municipal People’s Hospital. Due to the retrospective nature of this study, informed consent was waived by the Ethics Committee of the First Affiliated Hospital of Anhui Medical University and the Ethics Committee of Ma’anshan Municipal People’s Hospital.
: Not applicable.
: The authors declare that they have no competing interest.