Thimsen, Elijah
Johnson, Melissa
Zhang, Xin
Wagner, Andrew J.
Mkhoyan, K. Andre
Kortshagen, Uwe R.
Aydil, Eray S.
Article History
Received: 11 August 2014
Accepted: 11 November 2014
First Online: 19 December 2014
Competing interests
: The authors declare no competing financial interests.