Huang, Fangjian http://orcid.org/0000-0001-5411-3199
Funding for this research was provided by:
National Natural Science Foundation of China (61374001)
Article History
Received: 10 November 2017
Accepted: 20 March 2018
First Online: 3 April 2018
Competing interests
: The author declares that he does not have any commercial or associative interest that represents a conflict of interest in connection with the work submitted.