Yan, Xiao-Li
Dai, Teng-Fei
Jia, Li-Ming
Funding for this research was provided by:
National Natural Science Foundation of China (31670625)
China Postdoctoral Science Foundation (184521)
Article History
Received: 10 October 2017
Accepted: 29 November 2017
First Online: 2 January 2018
Compliance with ethical standards
:
: The manuscript has no associated data or data archiving is not mandated.
: The authors declare that they have no conflict of interest.
Free to read: This content has been made available to all.