Zhai, Haifa http://orcid.org/0000-0003-2277-1212
Qi, Jingjing
Zhang, Xiang
Li, Hongjing
Yang, Liping
Hu, Chunjie
Liu, Hairui
Yang, Jien
Funding for this research was provided by:
National Natural Science Foundation of China (No. 51202107)
Foundation of Henan Educational Committee (No. 16A140028)
Article History
Received: 21 May 2017
Accepted: 23 August 2017
First Online: 2 September 2017
Competing Interests
: The authors declare that they have no competing interests.
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