Sun, Wenmei
Wang, Nan
Shen, Lujun
Funding for this research was provided by:
PHD Initial Fund of Henan Normal University (512)
Article History
First Online: 9 March 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in the study involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki declaration and its later amendments. The study has been approved by Ethics Committee of Xinxiang Medical University.
: Informed verbal consent was obtained from all the participants and this procedure was approved by Ethics Committee of Xinxiang Medical University.