Carrigan, Charles R.
Sun, Yunwei
Hunter, Steven L.
Ruddle, David G.
Wagoner, Jeffrey L.
Myers, Katherine B. L.
Emer, Dudley F.
Drellack, Sigmund L.
Chipman, Veraun D.
Article History
Received: 17 December 2015
Accepted: 22 February 2016
First Online: 16 March 2016
Competing interests
: The authors declare no competing financial interests.