Zhang, Yin
Zhang, Yu
Xu, Yuanhong
Huang, Ying
Article History
Received: 10 February 2021
Accepted: 19 July 2021
First Online: 5 August 2021
Declarations
:
: The study was approved by the Medical Ethics Committee of the First Affiliated Hospital of Anhui Medical University. Written informed consent was waived by the Medical Ethics Committee of the First Affiliated Hospital of Anhui Medical University due to the anonymized retrospective nature of the analysis.
: Not applicable.
: The authors declare that they have no competing interests.