Liu, Dong
Gludovatz, Bernd http://orcid.org/0000-0002-2420-3879
Barnard, Harold S.
Kuball, Martin
Ritchie, Robert O.
Article History
Received: 4 December 2016
Accepted: 11 May 2017
First Online: 30 June 2017
Competing interests
: The authors declare no competing financial interests.