Li, Zhiying http://orcid.org/0000-0002-7296-7945
Li, Peng http://orcid.org/0000-0002-7820-4412
Guo, Linna http://orcid.org/0000-0002-6977-5459
Zhang, Zongxue http://orcid.org/0000-0001-8512-3541
Gao, Minghuan http://orcid.org/0000-0001-8758-9716
Zhang, Yuansen http://orcid.org/0000-0001-5389-4667
Li, Tiesheng http://orcid.org/0000-0002-5214-9574
Funding for this research was provided by:
China Postdoctoral Science Foundation (2016M592308)
Student Innovation and Entrepreneur ship Program of Zhengzhou University (SIEP, 2015xjxm180, HNSF, 192102210046)
Article History
Received: 21 February 2019
Accepted: 21 May 2019
First Online: 11 June 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interests.