Beechem, Thomas E.
Shaffer, Ryan A.
Nogan, John
Ohta, Taisuke
Hamilton, Allister B.
McDonald, Anthony E.
Howell, Stephen W.
Article History
Received: 30 January 2016
Accepted: 27 April 2016
First Online: 9 June 2016
Competing interests
: The authors declare no competing financial interests.