Song, Weiwei
Gatdula, Robert
Abbaslou, Siamak
Lu, Ming
Stein, Aaron
Lai, Warren Y-C
Provine, J.
Pease, R. Fabian W.
Christodoulides, Demetrios N.
Jiang, Wei
Article History
Received: 4 June 2014
Accepted: 26 March 2015
First Online: 11 May 2015
Competing interests
: The authors declare no competing financial interests.