Liang, Yufei
Li, Chunying
Liu, Yingying
Tian, Liang
Yang, Dongliang
Funding for this research was provided by:
Cangzhou Finance Bureau (2016-304)
Article History
Received: 21 November 2022
Accepted: 20 April 2023
First Online: 5 May 2023
Declarations
:
: This study was approved by the Medical Ethics Committee of Cangzhou Central Hospital (approval ref. no. 2012-012-01) and was carried out according to the Declaration of Helsinki. The situation of the experiment was explained fully and in detail by researchers, and the informed consent of each patient was obtained.
: NA.
: The authors declare no competing interests.