Liu, Juanfang
Zhang, Wenguang
Lu, Huibin
Li, Hongbin
Zhou, Xueliang
Li, Jing
Han, Xinwei http://orcid.org/0000-0002-8090-9876
Article History
Received: 23 March 2021
Accepted: 11 August 2021
First Online: 17 August 2021
Declarations
:
: The authors declare no conflicts of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and national research committee (The First Affiliated Hospital of Zhengzhou University, NO. yfyky2019-6231) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Verbal informed consent was obtained prior to the interview.