Liu, Chun-fang
Luo, Yue-Sheng
Funding for this research was provided by:
the Central Universities project (2572017CB29)
Harbin Science Technology Innovation Talent Research Fund (2016RQQXJ230)
Article History
Received: 24 January 2016
Accepted: 1 August 2017
First Online: 21 August 2017
Compliance with ethical standards
:
: The authors declare that there is no conflict of interests regarding the publication of this paper.