Okrut, Alexander
Runnebaum, Ron C.
Ouyang, Xiaoying
Lu, Jing
Aydin, Ceren
Hwang, Son-Jong
Zhang, Shengjie
Olatunji-Ojo, Olayinka A.
Durkin, Kathleen A.
Dixon, David A.
Gates, Bruce C.
Katz, Alexander
Article History
Received: 29 July 2013
Accepted: 12 March 2014
First Online: 20 April 2014
Competing interests
: The authors declare no competing financial interests.