Brenner, Christoph https://orcid.org/0000-0002-4607-0042
Fuehring, Raoul
Niederseer, David
Kirchmair, Rudolf
Haid, Christian
Liebensteiner, Michael
Article History
Received: 3 March 2018
Accepted: 16 April 2018
First Online: 19 April 2018
Compliance with ethical standards
:
: The authors report no relationships that could be construed as a conflict of interest.