Schnabel, Eva-Luisa
Wahl, Hans-Werner
Penger, Susanne
Haberstroh, Julia
Article History
Received: 1 July 2019
Accepted: 17 September 2019
First Online: 18 October 2019
Compliance with ethical guidelines
:
: E.-L. Schnabel, H.-W. Wahl, S. Penger and J. Haberstroh declare that they have no competing interests.
: All procedures performed in the study were in accordance with the ethical standards of the ethics board of the Faculty of Behavioral and Cultural Studies at Heidelberg University and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Informed consent was obtained from all individual participants included in the study. The supplement containing this article is not sponsored by industry.