Zou, Dexin
Dong, Shengjie
Du, Wei
Sun, Bing
Wu, Xifa
Article History
Received: 17 March 2021
Accepted: 6 May 2021
First Online: 13 May 2021
Declarations
:
: Written informed consent was obtained from each patient and this study was approved by Ethics Committee of Yantaishan Hospital and Zibo Central Hospital.
: The authors declare that they have no competing interests.