Hokr, Brett H.
Bixler, Joel N.
Cone, Michael T.
Mason, John D.
Beier, Hope T.
Noojin, Gary D.
Petrov, Georgi I.
Golovan, Leonid A.
Thomas, Robert J.
Rockwell, Benjamin A.
Yakovlev, Vladislav V.
Article History
Received: 24 October 2013
Accepted: 10 June 2014
First Online: 11 July 2014
Competing interests
: The authors declare no competing financial interests.