Liu, Jian
Yan, Lizhao
Xu, Fei
Lai, Mingyong
Funding for this research was provided by:
National Natural Science Foundation of China (71501069, 71420107027, 71201013)
Hunan Provincial Natural Science Foundation of China (2015JJ3090, 2017JJ3330)
China Postdoctoral Science Foundation Funded Project (2016M590742)
Article History
Received: 15 November 2017
Accepted: 21 August 2018
First Online: 17 September 2018
Competing interests
: The authors declare that they have no competing interests.