Hassan, Fathy M. http://orcid.org/0000-0002-4884-7820
Batmaz, Rasim
Li, Jingde
Wang, Xiaolei http://orcid.org/0000-0002-7751-4849
Xiao, Xingcheng
Yu, Aiping
Chen, Zhongwei
Article History
Received: 11 February 2015
Accepted: 9 September 2015
First Online: 26 October 2015
Competing interests
: The authors declare no competing financial interests.