Chen, Jianfeng
Zhang, Mingming
Zhang, Shouyan http://orcid.org/0000-0003-4483-8131
Wu, Junlong
Xue, Shufeng
Article History
Received: 20 September 2019
Accepted: 10 May 2020
First Online: 20 May 2020
Ethics approval and consent to participate
: This study was conducted after obtaining Luoyang Central Hospital Affiliated to Zhengzhou University’s ethical committee approval.
: Not applicable.
: The authors declare that they have no competing interests.