Bösner, Stefan
Schwarm, Sonja
Grevenrath, Paula
Schmidt, Laura
Hörner, Kaja
Beidatsch, Dominik
Bergmann, Milena
Viniol, Annika
Becker, Annette
Haasenritter, Jörg
Funding for this research was provided by:
Own funding
Article History
Received: 9 September 2016
Accepted: 12 December 2017
First Online: 20 February 2018
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.