Song, Zhaojun
Ran, Maobo
Luo, Juan
Zhang, Kai
Ye, Yongjie
Zheng, Jiazhuang
Zhang, Zhi
Article History
Received: 16 November 2020
Accepted: 21 January 2021
First Online: 9 February 2021
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of the Suining Central Hospital, and informed consent was obtained from all the subjects.
: Not applicable.
: The authors declare that they have no competing interests.