Liu, Jie
Li, Shujian
Qian, Long
Xu, Xianrong
Zhang, Yong
Cheng, Jingliang http://orcid.org/0000-0002-6996-329X
Zhang, Wanshi
Article History
Received: 7 March 2020
Accepted: 2 July 2020
First Online: 11 July 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures were conducted in accordance with the tenets of the Declaration of Helsinki and were approved by the Institutional Review Board of the First Affiliated Hospital of Zhengzhou University.
: Informed consent was obtained from all individual participants included in the study.
: Not applicable.
: Not applicable.