Wang, Chen
Zhang, Yu
Chen, Wang
Yan, Shi-Lei
Guo, Kai-Jin
Feng, Shuo
Article History
Received: 31 January 2021
Accepted: 10 June 2021
First Online: 26 June 2021
Declarations
:
: This study was approved by the Ethics Committee of the Affiliated Hospital of Xuzhou Medical University and conducted in accordance with the standards of the National Research Council. Written informed consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.