Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (TA 1184/1)
Article History
Received: 7 December 2017
Accepted: 30 August 2018
First Online: 13 November 2018
Compliance with ethical standards
:
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the University of Munich and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Jamie L. Taxer declares that she has no conflict of interest. Anne C. Frenzel declares that she has no conflict of interest. Betty Becker-Kurz declares that she has no conflict of interest.