Hollinski, Robin
Osterberg, Anja
Polei, Stefan
Lindner, Tobias http://orcid.org/0000-0001-7826-3132
Cantré, Daniel
Mittlmeier, Thomas
Vollmar, Brigitte
Bruhn, Sven
Müller-Hilke, Brigitte
Article History
Received: 21 September 2017
Accepted: 29 December 2017
First Online: 24 January 2018
Competing Interests
: The authors declare that they have no competing interests.