Shen, Hongxia http://orcid.org/0000-0003-1918-3655
Nan, Ruihua http://orcid.org/0000-0003-0656-0992
Jian, Zengyun http://orcid.org/0000-0001-5118-9382
Li, Xiaojuan http://orcid.org/0000-0002-7317-7152
Funding for this research was provided by:
National Natural Science Foundation of China (51502234, 51602242)
Natural Science Foundation of Shaanxi Province (2018JM5097)
Key Laboratory Scientific Research Program of Education Department in Shaanxi Province of China
Article History
Received: 17 February 2019
Accepted: 21 May 2019
First Online: 28 May 2019
Compliance with ethical standards
:
: The authors declare that we have no conflict of interest.