Wu, Ran
Liu, Kunyi
Shi, Chengyi
Tian, Hui
Wang, Na
Article History
Received: 15 May 2022
Accepted: 3 August 2022
First Online: 14 October 2022
Declarations
:
: This study was conducted according to the principles expressed in the Declaration of Helsinki and approved by the Scientific Research Ethical Licensing Committee of the Second Hospital of Hebei Medical University. Due to the retrospective study design, written informed consent was waived (Scientific Research Ethical Licensing Committee of the Second Hospital of Hebei Medical University).
: Not applicable.
: No potential conflict of interest was reported by the author.