Liu, Yan
Li, Jiemei
Chang, Jinzhu
Xiao, Shaoling
Pei, Wenbo
Wang, Lei
Funding for this research was provided by:
the Shanxi Provincial Education department, China (2021YJJG314)
Article History
Received: 23 August 2022
Accepted: 3 February 2023
First Online: 11 February 2023
Declarations
:
: We confirm that all experiments were performed in accordance with the Declaration of Helsinki (2000) of the World Medical Association. Written informed consent was obtained from all participating residents. We confirm that the consent was informed. The study protocol was submitted to Institutional Review Board (IRB) of Medical Ethics Committee of Changzhi Medical College and was determined to be exempted from Institutional Review Board review.
: Not applicable.
: All authors declare that they have no competing interests.