Liu, Wei http://orcid.org/0000-0003-2559-7811
Quan, Ji
Funding for this research was provided by:
the National Natural Science Foundation of China (21277108)
The National Natural Science Foundation of China (71501149)
Article History
Received: 16 September 2017
Revised: 9 February 2018
Accepted: 19 February 2018
First Online: 1 March 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflicts of interest.
: This article does not contain any studies with human participants or animals performed by the authors.