Lv, Weibo
Zhang, Tao
Zhao, Hongwei
He, Shuang
Li, Bingwei
Gao, Yang
Pan, Wenying
Article History
Received: 22 February 2020
Accepted: 14 July 2020
First Online: 30 July 2020
Ethics approval and consent to participate
: All study subjects gave written informed consent in accordance with the Declaration of Helsinki. The study protocols were approved by the Ethics Committee of Binzhou Medical University Hospital.
: All study subjects gave written informed consent for publication.
: The authors declare that they have no competing interests.