Yin, Guang-Wen http://orcid.org/0000-0001-6233-9665
Li, Xiao-Yan
Article History
Received: 5 June 2019
Accepted: 10 July 2019
First Online: 25 July 2019
Compliance with ethical standards
:
: Ethical approval was obtained from the Medical Research Ethics Committee of the First Affiliated Hospital of Zhengzhou University.
: No financial or non-financial benefits have been received or will be received from any party related directly or indirectly to the subject of this article.