Lübcke, Paul M.
Ebbers, Meinolf N. B.
Volzke, Johann http://orcid.org/0000-0002-7509-6276
Bull, Jana
Kneitz, Susanne
Engelmann, Robby
Lang, Hermann
Kreikemeyer, Bernd
Müller-Hilke, Brigitte
Article History
Received: 4 February 2019
Accepted: 17 May 2019
First Online: 31 May 2019
Competing Interests
: The authors declare no competing interests.