Xu, Haitao
Ren, Shuai
She, Tianyu
Zhang, Jingyu
Zhang, Lianguo
Jia, Teng
Zhang, Qingguang
Article History
Received: 3 October 2020
Accepted: 21 April 2021
First Online: 30 April 2021
Declarations
:
: This study was approved by the Ethics Committee of Binzhou Medical University Hospital.This study was in accordance with the Declaration of Helsinki. Written consent was given by the patients for their information to be stored in the hospital database and used for research.
: Not applicable.
: The authors declare that they have no competing interests.