Wang, Ray Yu-Ruei
Kudryashev, Mikhail
Li, Xueming
Egelman, Edward H
Basler, Marek
Cheng, Yifan
Baker, David
DiMaio, Frank
Article History
Received: 19 September 2014
Accepted: 31 December 2014
First Online: 23 February 2015
Competing interests
: The authors declare no competing financial interests.