Niu, Shuai
Li, Juan
Zhao, Yan
Ding, Dianzhu
Jiang, Guangwei
Song, Zhaohui
Article History
Received: 18 January 2021
Accepted: 3 March 2021
First Online: 11 March 2021
Declarations
:
: This study was approved by the ethics committee of the 3rd hospital of Hebei Medical University, and obtained the informed consent from all the participants included in this study.
: Informed consent was obtained from all individual participants included in this study.
: The authors declare that they have no competing interests.