Wang, Xiaoke
Bledsoe, Krista L
Graham, Rondell P
Asmann, Yan W
Viswanatha, David S
Lewis, Jean E
Lewis, Jason T
Chou, Margaret M
Yaszemski, Michael J
Jen, Jin
Westendorf, Jennifer J
Oliveira, André M
Article History
Received: 21 November 2013
Accepted: 30 April 2014
First Online: 25 May 2014
Competing interests
: The authors declare no competing financial interests.