Liu, Hong
Gao, Yang
Ding, Shaohu
Peng, Fan
Zhu, Dexin
Funding for this research was provided by:
National Natural Science Foundation of China (5186050011, 11764002)
The National Natural Science Foundation of Ningxia (NZ17236)
Article History
Received: 8 May 2018
Accepted: 14 September 2018
First Online: 24 September 2018
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.