Bumberger, Alexander
Koller, Ulrich
Hofbauer, Marcus
Tiefenboeck, Thomas Manfred
Hajdu, Stefan
Windhager, Reinhard
Waldstein, Wenzel http://orcid.org/0000-0003-0218-1426
Article History
Received: 21 December 2018
Accepted: 24 April 2019
First Online: 10 May 2019
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: This article does not contain any studies with human participants performed by any of the authors.
: For this tye of study formal consent is not required.