Ge, Honglian
Zhang, Fuli
Funding for this research was provided by:
the Science and Technology Planning Project founded by Science and Technology Commission in Henan Province, China (182102110290)
the Science and Technology Planning Project founded by Science and Technology Commission in Henan Province, China (182102110074)
the School-based Program of Zhoukou Normal University (ZKNUB215210)
Article History
Received: 6 May 2018
Accepted: 12 June 2018
First Online: 20 June 2018
Compliance with Ethical Standards
:
: The authors have no conflicts of interest to declare. All authors have read and approved the submitted manuscript.