Xu, Xiaojin
Araki, Koichi
Li, Shuzhao
Han, Jin-Hwan
Ye, Lilin
Tan, Wendy G
Konieczny, Bogumila T
Bruinsma, Monique W
Martinez, Jennifer
Pearce, Erika L
Green, Douglas R
Jones, Dean P
Virgin, Herbert W
Ahmed, Rafi
Article History
Received: 26 August 2014
Accepted: 2 October 2014
First Online: 2 November 2014
Competing interests
: The authors declare no competing financial interests.