Benditz, A. http://orcid.org/0000-0001-9098-1495
Auer, S.
Spörrer, J. F.
Wolkerstorfer, S.
Grifka, J.
Suess, F.
Dendorfer, S.
Article History
Received: 20 May 2017
Revised: 5 January 2018
Accepted: 12 January 2018
First Online: 19 January 2018
Compliance with ethical standards
:
: The authors declare that they have no competing interests.