Liu, Wen
Li, Yong
Luo, Bing
Funding for this research was provided by:
National Natural Science Foundation of China (81801264)
Shandong Provincial Natural Science Foundation (ZR2017BH106)
the China Postdoctoral Science Foundation (2017M610411)
Article History
Received: 12 June 2019
Revised: 21 August 2019
Accepted: 9 September 2019
First Online: 16 September 2019
Compliance with ethical standards
:
: The authors declare that there is no conflict of interest that could be perceived as prejudicing the impartiality of the research reported.