Braun, Markus http://orcid.org/0000-0003-3393-2851
Langenstein, Amelie
Klingelhöfer, Doris
Zulauf, Nicole
Müller, Ruth
Groneberg, David A.
Article History
Received: 5 April 2019
Accepted: 11 November 2019
First Online: 9 December 2019
Compliance with ethical standards
:
: The authors declare that they have no competing interests.