Wang, Shiyue
Zhang, Xiaohua
Huang, Junlin
Chen, Jinhua
Funding for this research was provided by:
NSFC (21475035, 21235002, 21275041)
Foundation for Innovative Research Groups of NSFC (21521063)
PCSIRT (IRT1238)
Article History
Received: 20 December 2017
Accepted: 12 January 2018
First Online: 1 February 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study was approved by the Ethics Committee of Hunan University and performed in accordance with their ethical standards.