Kraus, Natascha http://orcid.org/0000-0002-1942-0035
Hann, Carmen
Gerhardt, Christian
Scheibel, Markus
Article History
Received: 5 March 2018
Accepted: 8 June 2018
First Online: 28 June 2018
Compliance with ethical guidelines
:
: N. Kraus, C. Hann, C. Gerhardt and M. Scheibel declare that they have no competing interests.
: 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 1975 Helsinki declaration and its later amendments or comparable ethical standards. Informed consent was obtained from all individual participants included in the study.