Zheng, Xiuli
Wu, Mingli
Li, Shengmian
Er, Limian
Deng, Huiyan
Guo, Shuo
Liu, Zhihuan
Article History
Received: 8 March 2023
Accepted: 21 May 2023
First Online: 2 June 2023
Declarations
:
: Our study was approved by the Ethics Committee of the Fourth Hospital of Hebei Medical University (ID: 2021KS002). All methods were carried out in accordance with relevant guidelines and regulations. Written informed consent was obtained from all patients before performing any endoscopic procedures. Informed consent was obtained from all participants in this study.
: Not applicable.
: The authors declare no competing interests.