Wohlfarth, Katharina http://orcid.org/0000-0001-6099-8595
Eichhammer, Wolfgang
Schlomann, Barbara
Worrell, Ernst
Article History
Received: 25 April 2017
Accepted: 17 January 2018
First Online: 6 March 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.