Liang, Zhengyu http://orcid.org/0000-0002-3307-0959
Li, Guipeng http://orcid.org/0000-0002-3244-5499
Wang, Zejun http://orcid.org/0000-0002-4767-0672
Djekidel, Mohamed Nadhir http://orcid.org/0000-0001-5361-1858
Li, Yanjian http://orcid.org/0000-0001-6090-0973
Qian, Min-Ping
Zhang, Michael Q.
Chen, Yang http://orcid.org/0000-0001-9406-8273
Article History
Received: 11 April 2017
Accepted: 13 October 2017
First Online: 20 November 2017
Competing interests
: The authors declare no competing financial interests.