Yu, Lintian
Zhang, Long
Yang, Hua
Gui, Guohong
Liu, Yiping
Xiao, Yingping
Funding for this research was provided by:
National Natural Science Foundation of China (31402083)
China West Normal University (NO. 17E077)
Article History
Received: 29 June 2017
Accepted: 24 September 2018
First Online: 29 September 2018
Compliance with ethical standards
:
: The authors declare no competing financial interests.