Härter, Martin
Watzke, Birgit
Daubmann, Anne
Wegscheider, Karl
König, Hans-Helmut
Brettschneider, Christian http://orcid.org/0000-0002-5280-1075
Liebherz, Sarah
Heddaeus, Daniela
Steinmann, Maya http://orcid.org/0000-0001-6091-040X
Article History
Received: 18 December 2017
Accepted: 30 May 2018
First Online: 20 June 2018
Competing Interests
: The authors declare no competing interests.