Graf, Laura
Wendler, Wiebke S.
Stumpf-Wollersheim, Jutta
Welpe, Isabell M.
Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (FKZ 01PY13012)
Article History
Received: 29 March 2017
Accepted: 24 August 2017
First Online: 6 September 2017
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.