Guo, Junjie
Lee, Jaekwang
Contescu, Cristian I.
Gallego, Nidia C.
Pantelides, Sokrates T.
Pennycook, Stephen J.
Moyer, Bruce A.
Chisholm, Matthew F.
Article History
Received: 25 April 2014
Accepted: 26 September 2014
First Online: 13 November 2014
Competing interests
: The authors declare no competing financial interests.