Zhang, Hongfei
Li, Jinglian
Shao, Weiguang
Shen, Naipeng
Article History
Received: 20 November 2019
Accepted: 10 July 2020
First Online: 1 August 2020
Ethics approval and consent to participate
: Ethical approval was obtained from the Ethics Committee of Affiliated Hospital of Weifang Medical University. Written informed consent was obtained from all individual participants included in this study.
: Not applicable.
: The authors declare that they have no competing interests.