Xu, Zisheng
Liang, Yuqing
Geng, Guobo
Mu, Weidong
Xu, Peng
Article History
Received: 30 July 2022
Accepted: 19 May 2023
First Online: 24 June 2023
Declarations
:
: The study protocol was approved by the ethical committee of Shandong Provincial Hospital, Shandong Province, P.R. China and was performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. All involved patients signed informed consent after they were admitted to the hospital.
: Not applicable.
: The authors declare no competing interests.