Liye, Qin http://orcid.org/0000-0002-4503-6491
Zhongwei, Zhou
Xiaojuan, Sun
Min, Wang
Pingping, Liu
Kun, Cao
Funding for this research was provided by:
Natural Science Foundation of Ningxia Province (NZ7181)
Article History
Received: 17 November 2018
Accepted: 24 January 2019
First Online: 13 March 2019
Compliance with ethical standards
:
: Author Qin Liye, Author Zhou Zhongwei, Author Sun Xiaojuan, Author Wang Min, Author Liu Pingping and Author Cao Kun declare that they have no conflict of interest.
: All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1975, as revised in 2008 (5).