Cristino, Alexandre S.
Barchuk, Angel R.
Freitas, Flavia C. P.
Narayanan, Ramesh K.
Biergans, Stephanie D.
Zhao, Zhengyang
Simoes, Zila L. P.
Reinhard, Judith
Claudianos, Charles
Article History
Received: 7 August 2014
Accepted: 10 October 2014
First Online: 20 November 2014
Competing interests
: The authors declare no competing financial interests.