Klotz, Anna-Luisa http://orcid.org/0000-0002-4551-7113
Zajac, Melania
Ehret, Judith
Kilian, Samuel
Rammelsberg, Peter
Zenthöfer, Andreas
Article History
Received: 2 July 2019
Accepted: 5 February 2020
First Online: 6 March 2020
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 Helsinki declaration and its later amendments or comparable ethical standards. This study was approved by the local review board of the University of Heidelberg prior to its start (approval number S-420/2016).
: Informed consent was obtained from each participant included in the study.