Huang, Huayu http://orcid.org/0000-0003-1819-5515
Wang, Mingxia
Wang, Yang
Li, Xinli
Niu, Zhiying
Wang, Xingyu
Song, Jinxi
Funding for this research was provided by:
the Program for Key Science and Technology Innovation Team in Shaanxi Province (2014KCT-27)
Article History
Received: 19 April 2018
Accepted: 3 May 2018
First Online: 10 May 2018
Compliance with ethical standards
: The author(s) declare that they have no competing interests.