Werner-Bierwisch, Therese http://orcid.org/0000-0002-6240-9114
Pinkert, Christiane
Niessen, Karin
Metzing, Sabine
Hellmers, Claudia
Funding for this research was provided by:
German Federal Ministry of Education and Research (FKZ: 01KX1113A and FKZ: 01KX1113B)
Article History
Received: 27 April 2018
Accepted: 19 November 2018
First Online: 4 December 2018
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors have no competing interests to declare.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.