Yang, Ning
Li, Ming-Xin
Peng, Xiao-Yan
Article History
Received: 21 January 2022
Accepted: 11 April 2022
First Online: 22 April 2022
Declarations
:
: The study was in compliance with the tenets of the Declaration of Helsinki. The Ethics Committee of Xuzhou Medical University Affiliated Hospital approved the study protocol (No. XYFY2019-KL071-01). Written informed consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.