Chen, Yu-Cheng
Coble, Joseph B
Deziel, Nicole C
Ji, Bu-Tian
Xue, Shouzheng
Lu, Wei
Stewart, Patricia A
Friesen, Melissa C
Article History
Received: 11 March 2013
Accepted: 12 February 2014
First Online: 16 April 2014
Competing interests
: The authors declare no conflict of interest.