Liebermann, A. https://orcid.org/0000-0002-1385-2195
Edelhoff, D.
Güth, J. F.
Erdelt, K.
Grünewald, E.
Article History
Received: 2 November 2017
Accepted: 16 August 2018
First Online: 25 August 2018
Compliance with ethical standards
: The ethics committee of the LMU Munich approved the study (project no. 659-16).
: 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.
: Informed consent was obtained from all individual participants included in the study.