Funding for this research was provided by:
National Natural Science Foundation of China (U1204609)
China Postdoctoral Science Foundation Specific Support (2016T90944)
Funding scheme of University Young Core Instructor in Henan Province, China (2014GGJS-046)
Article History
Received: 23 September 2016
Accepted: 7 August 2017
First Online: 17 August 2017
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: Informed consent was obtained from all individual participants included in the study.
: This article does not contain any studies with human participants performed by any of the authors.
: This work was supported by the National Natural Science Foundation of China (No. 61572399, U1204609), the China Postdoctoral Science Foundation Specific Support (No. 2016T90944), the funding scheme of the University Science and Technology Innovation in Henan Province (No. 15HASTIT022), the funding scheme of University Young Core Instructor in Henan Province (No. 2014GGJS-046), the Foundation of Henan Normal University for Excellent Young Teachers (No. 14YQ007), the Major Science and Technology Foundation in Guangdong Province of China(No:2015B010104002), and the key Scientific Research Foundation of Henan Provincial University (16A520015,15A520078).