Xu, Ning
Liu, Haixia
Wang, Yuan
Xue, Yimiao
Article History
Received: 8 August 2021
Accepted: 19 January 2022
First Online: 7 March 2022
Declarations
:
: All procedures performed in studies involving human participants were in accordance with the 1964 Helsinki declaration. The study was approved by the Ethics Committee of the Second Affiliated Hospital of Dalian Medical University. All participants provided informed consent.
: Not applicable
: The authors declare that they have no competing interest.