Guo, Shewei
Zhen, Yingwei
Guo, Mengguo
Zhang, Longzhou
Zhou, Guosheng
Funding for this research was provided by:
the fund of The First Affiliated Hospital of Zhengzhou University (none)
Article History
Received: 1 May 2018
Accepted: 27 June 2018
First Online: 18 July 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.
: Informed consent was obtained from all individual participants included in the study.